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 BERLIN — Germany on Friday failed to persuade Hungary and three other Central European partners to accept joint European Union action and a quota to distribute migrants from the Middle East. 
 
 
 
 
 
 
 
 
 
 The German foreign minister, Frank-Walter Steinmeier, using blunt language that indicated Berlin might be losing patience, called the crisis “the greatest challenge the European Union has faced in its history.” 
 
 Up to 40,000 people might arrive this weekend, he said — double the total warmly welcomed in an outpouring of emotion last Saturday and Sunday. The new figures came as questions mounted about the wisdom of throwing open the borders last weekend, in a humanitarian gesture that was described as a one-time exception, but which appears to have encouraged more asylum-seekers to join the migrant trail. 
 
 In an indication that the government was troubled about maintaining control, Ursula von der Leyen, Germany’s defense minister, announced that 4,000 troops were on standby — a measure more often used to preserve order in natural disasters. 
 
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 Mr. Steinmeier stressed that Germany now expects 800,000 migrants to arrive this year, and added, “None of these will be taken in by others, so I ask for understanding, that we discuss not only those who are already here, but a fair quota of distribution of those who are still on the way.” 
 
 His statement during talks in Prague with Hungarian, Czech, Slovak and Polish counterparts suggested that neither he nor the foreign minister of Luxembourg, which holds the rotating presidency of the Council of the European Union, had persuaded the former Communist countries, which have not been immigrant destinations, to adopt quotas to house 160,000 migrants as suggested this week by the European Commission president, Jean-Claude Juncker. 
 
 The Prague talks were held in anticipation of a meeting on Monday of European interior ministers to discuss the Juncker proposals, and there were indications on Friday that heads of state and government might have to hold a summit meeting if no progress is made then. Officials in Berlin, speaking on condition of anonymity as they groped for a solution, even mentioned using majority voting — and not the traditional consensus — to decide the matter. 
 
 That would be highly unusual in an affair so central to Europe’s destiny. 
 
 But Mr. Steinmeier indicated that Berlin is keenly aware that failure to control the situation might tip the popular mood in Germany, and other countries like Sweden and Austria, where the welcome for the migrants has so far been mostly warm. 
 
 While Social Democrats like Mr. Steinmeier have long supported immigration, the conservatives in Bavaria’s Christian Social Union, Ms. Merkel’s partners in her center-right bloc, have long been critical, and have grown more so this week. “We’ve lost control,” said Hans-Peter Friedrich, a former interior minister and deputy leader of the Bavarian party, in the newspaper Passauer Neue Presse. 
 
 Throwing open the borders to migrants coming from Hungary by way of Austria last weekend “was a failure that we will have to deal with for a long time,” said Horst Seehofer, head of the Bavarian party and governor of that state. “I don’t see how we will put the cork back in the bottle,” he was quoted as telling Der Spiegel magazine. 
 
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 Mr. Steinmeier said Europe needed a common message, that “not everyone who arrives has the right to asylum, or the right to a job.” Smugglers, he said, spread such rumors “and are working on purpose to lure people into undertaking dangerous journeys.” 
 
 The harsh response to migrants in some countries in Eastern and Central Europe has spurred debate about why many in former Communist countries, which themselves spent four decades craving liberty, are in some cases unsympathetic, and even downright hostile, to those fleeing war and tyranny. 
 
 Prime Minister Viktor Orban of Hungary reiterated his criticism of migrants on Friday, and he warned that his country would soon take an even harder line. 
 
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 “They have seized railway stations, refused to give fingerprints, failed to cooperate and are unwilling to go to places where they would get food, water, accommodation and medical care,” Mr. Orban said after a meeting with Manfred Weber, chairman of the conservative European People’s Party in the European Parliament. 
 
 Tougher laws on immigration go into effect Tuesday, Mr. Orban said, and migrants who cross the border illegally will be arrested. 
 
 At the meeting in Prague, some countries repeated that immigration policy was a matter of national sovereignty. Lubomir Zaoralek, the Czech foreign minister, said, “Every country has to have the sovereign right to decide who it will or will not accept.” 
 
 Mr. Steinmeier took issue. “We can, as Europe, say that we will shut all borders, and not let anyone else in,” he said. But in doing so, “we would betray our values.” 
 
 The United Nations on Friday gave qualified support to the Juncker plan. It “would go a long way” toward addressing the crisis, William Spindler, a spokesman for the United Nations refugee agency, told reporters in Geneva, but he added that it was still insufficient. 
 
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 “Our estimates indicate even higher needs,” Mr. Spindle said, “but the focus must now be on ensuring all member states take part in this initiative, and that it is swiftly implemented.” 
 
 Elsewhere on Friday, the Austrian railway said there would also be no regional traffic between Austria and Hungary this weekend, after Austria stopped rail service across the border with Hungary under the pressure of migrants streaming in. 
 
 That prompted several groups of migrants who had arrived from Hungary to start marching toward Vienna along various routes, according to Helmut Marban, a spokesman for the police in the eastern Austrian province of Burgenland. 
 
 The main highway in the direction of Vienna was closed at least for some hours on Friday because of the danger of migrants marching along the road. 
 
 The Geneva-based International Organization for Migration said that in Geneva, a record 432,761 migrants had crossed the Mediterranean already this year, compared with 197,940 people crossing in all of 2014, Reuters reported. 
 
 The situation also continued to deteriorate in Macedonia, where the authorities are scrambling to find ways to cope with an increase in the number of migrants traveling through the country. 
 
 More than 11,000 migrants entered the country in a 24-hour period that ended Friday, according to the United Nations refugee agency, and the number was expected to remain similarly high over the next few days. 
 
 Despite the challenges facing the country, a proposal on Thursday by Nikola Poposki, Macedonia’s minister of foreign affairs, to follow Hungary’s example of building a fence along its border was met with harsh criticism from domestic civil organizations and political parties. ||||| "As I watch the footage now, it's like I'm not watching myself. I honestly regret what I have done and take responsibility for it," wrote Petra Laszlo in a letter to Hungarian newspaper Magyar Nemzet published on its website. 
 
 In the footage, which spread rapidly across the Internet earlier this week, Laszlo, 40, can be seen tripping a man sprinting with a child in his arms, and kicking another running child near the town of Roszke, close to the border with Serbia. 
 
 She was fired from her job at N1TV, an Internet-based television station close to Hungary's far-right Jobbik party, and also faces criminal charges for breaching the peace. 
 
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 She was detained for questioning by police on Thursday and later released. 
 
 "Only now could I get myself together enough to be able to write. I'm in a state of shock because of what I did and what has been done to me," she wrote to the newspaper. 
 
 "I was recording with the camera when hundreds of migrants broke through the police cordon, one of them ran into me and I panicked. 
 
 "I was afraid as they were rushing toward me and then something snapped in my head. As I had my camera in my hand I couldn't see who was coming at me, my only thought was that I was going to be attacked, and that I had to defend myself," she added. 
 
 "As a mother I'm particularly sorry that fate had it that a child was running at me, and I wasn't able to sense that. 
 
 "It's not easy to make a good decision when you're in a panic." 
 
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 A "Wall of Shame" page on Facebook featuring pictures, videos and commentaries linked to the incident had gathered more than 35,000 likes by Friday. 
 
 "You are a disgrace to your profession," was the typical sentiment from one user. 
 
 Laszlo said she did not "deserve either the political witchhunt that is going on against me or the smears or the many death threats". 
 
 "I'm just a woman, now unemployed mother of small children, who made a bad decision in a panic situation."
– Despite the general opinion after a video surfaced of her kicking Syrian migrants, Hungarian Petra Laszlo says she is "not a heartless, child-kicking, racist camera-person." Rather, "something snapped in my head" when hundreds of migrants broke through a police barricade not far from the Serbian border in Roszke, Hungary, and "one of them ran into me," Laszlo writes in a letter, per AFP and New York Times. "As I had my camera in my hand I couldn't see who was coming at me, my only thought was that I was going to be attacked, and that I had to defend myself." Laszlo, who was filmed kicking a child and tripping a man with a child in his arms, says, "As a mother I'm particularly sorry that fate had it that a child was running at me, and I wasn't able to sense that." She adds, "I honestly regret what I have done and take responsibility for it," but she says she doesn't "deserve either the political witch hunt that is going on against me or the smears or the many death threats … It's not easy to make a good decision when you're in a panic." Laszlo has since been fired from Internet-based station N1TV and faces criminal charges of breaching the peace.