Investigation Continues at Philadelphia Crash Site

PHILADELPHIA (AP) — Heavy equipment is being brought in to the scene of last night's Amtrak derailment in Philadelphia that killed at least six people. All seven cars of the Northeast Regional Train 188 left the tracks, sending 144 people to hospitals. Several people are in critical condition. The train was traveling from Washington to New York City, along the nation's busiest corridor. Amtrak service between New York and Philadelphia has stopped.