Colombia Earthquake

Rescuers in Colombia are calling for silence as they listen for signs of life in the rubble left by a deadly earthquake. The disaster has killed more than 280 people and left hundreds more missing. The call for quiet Thursday was part of last-ditch efforts to find survivors in the aftermath of the 7.4 magnitude quake that struck the South American country Monday. Aid agencies consider the first two to three days after a quake to be the prime window for retrieving survivors. But some people trapped in debris can live longer if they have access to food and water.