About 70 students avoided arrest early Sunday morning when they surrendered the administration building they had occupied for nearly four days at the University of California-Santa Cruz, according to a school spokesman.

Authorities at Pennsylvania's Three Mile Island nuclear plant were investigating what caused a weekend radiation leak that resulted in 150 workers being sent home, officials said Sunday.

The parents of an 8-year-old Liberian girl who was allegedly sexually assaulted by four boys in July were arrested Friday on child abuse charges, according to Arizona police.

Health officials on Friday reported a slight decrease in H1N1 flu activity nationwide.

Federal prosecutors in Washington announced Friday they will dismiss a manslaughter charge against one of the Blackwater contractors charged in a high-profile shooting incident in Baghdad, Iraq, two years ago.