Alabama Lee High School bus crash
At least two teen-agers died on Monday when a school bus carrying dozens of students veered off an overpass in Huntsville, Alabama, and plunged to a street below, U.S. police said. 
Television images showed the front end of the yellow school bus had been crumpled by the apparent impact with the road. The chassis appeared to have ended up upright but was badly twisted, and its windows shattered.
Huntsville police try to keep out media and other citizens after a school bus from Lee High School heading to a local tech school flipped off of the Interstate 565 overpass onto the ground near Church Street in Huntsville.
Huntsville Police Chief Rex Reynolds told a televised news conference that another vehicle might have been involved.
"We do have a witness to the accident," Reynolds said. He said "a car may have come close to and/or struck the bus, causing the bus to strike the rail and ultimately leaving the elevated part of the interstate."
The bus was carrying 44 people including the students and the driver from Lee High School in Huntsville to a technical school, said Denise Taylor, a spokeswoman for the city of Huntsville. Many were taken to local hospitals to be treated for 
cuts, fractures and other injuries, she said.
Two teen-age girls died and two other people were in critical condition, officials said.
Huntsville lies about 100 miles (160 km) north of Birmingham near the Tennessee state line.
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