 Shiite mosque in Oman has killed a number of people and wounded many more. Pakistan's government says at least four of its nationals are dead and around 30 hurt. The royal Oman police say the shooting occurred Monday night in the capital, Muscat, and one of its officers was killed. Police haven't commented on any motive. The state-run news agency is saying three attackers were killed. The U.S. embassy has warned its citizens to stay away from the area. I'm Charles de la Tesma.