20 people were arrested and 2 hostages were released as Mexican police conducted a daring raid agaisnt a kidnapping gang. 

From CNN:

The arrests, which included the leader of what authorities said was a top kidnapping gang in the country, comes about two weeks after Mexican President Felipe Calderon met with the country’s 32 governors to create a plan to combat the nation’s staggering rise in kidnappings.

The operation occurred Tuesday morning at a location in the city of Villa Nicolas Romero, police said. Authorities rescued a 49-year-old mother and her 30-year-old son who were missing for a week. Officers killed four suspected gang members in a shootout, police said.

During the gunbattle one federal officer was also killed, police said.