AOL.com Video - Dozens Of H.S. Students Injured In Bus Crash

VIDEO:News

Dozens Of H.S. Students Injured In Bus Crash

Description:A high school field trip in Boston ended in chaos when the school’s charter bus hit a bridge. 35 students and their chaperons were injured in the crash on the way back from Harvard University. Authorities say the driver did not yield to a low-clearance warning sign causing the bus to crash. Four people suffered serious injuries, one of which is life-threatening It took more than an hour for rescue crews to free some of the passengers. (0:43)

Source: PIX11

Tags: bus accident , Bus crash , crash injuries , high schoolers injured in crash