FILE - Australia's Prime Minister Tony Abbott speaks during a news conference in Sydney, Australia, in this July 19, 2014 file photo. Abbott said on Wednesday July 23, 2014 he was discussing with government leaders options for securing the 50-square kilometer (20-square mile) crash site, including his preferred option of a multinational security force mounted by countries such as Australia, Netherlands and Malaysia that lost citizens in the disaster. (AP Photo/Rob Griffith, File)