• BREAKING NEWS ABC shows live and on-demand -- Download the WATCH ABC app!

3 O.C. cities make top 10 of safest in U.S.

November 22, 2010 12:00:00 AM PST
Three of the safest cities in America are in Orange County, according to a new ranking of 400 American communities.Mission Viejo was named the fourth safest city in the nation.

Lake Forest came in seventh and Irvine was tenth.

The safest U.S. city was Colonie, N.Y, near Albany.

Conversely, one Southern California city made the list of the most dangerous in the U.S.

Compton was ranked the eight most dangerous city in the nation.

St. Louis was the most dangerous American city overall.

The rankings are calculated based on rates of major crimes like murder, rape and robbery.