Chile troops, police attack post-quake looting

Monday, March 1, 2010 | 4:38 p.m. CST; updated 4:51 p.m. CST, Monday, March 1, 2010

CONCEPCION, Chile — Rescuers found signs of life in the wreckage of a 15-story building Monday as the world offered aid to victims of an earthquake that killed more than 700 people. Looters roamed the streets even after troops and police arrested dozens of people for violating a curfew.