Illegal Iraqis nabbed trying to enter U.S.

Mexico arrests 4 aliens on bus in city south of Arizona border

Mexican officials say they've arrested four illegal-alien Iraqis trying to sneak across the border into the United States.

Acting on an anonymous tip, police found the four aliens on a bus in Navajoa, about 375 miles south of the Arizona border, Mexico's attorney general's office said.

Mexican immigration officials are investigating to try to determine how the Iraqis got into the country. Read more.