COATESVILLE, Pa. (CBS/AP) – Authorities say four people under the age of 18 have died in a car crash in suburban Philadelphia.

Police say the single-vehicle crash occurred just before 1 a.m. Sunday in West Brandywine Township in Chester County.

Township police say all four riders were ejected from the vehicle, and there were no survivors. Investigators are trying to determine the cause of the crash.

Jericka Duncan reports…

Police say the victims were students at Coatesville Area High School. They have been identified as Collin McElroy, Evan Pringle, Jerry Warfel and Kyle Marsh.

According to Police, excessive speed was to blame for the crash that killed all four students. Illegal substances were also found at the scene of the crash and investigators have determined that all four victims were not wearing seat belts at the time of the crash.

(TM and © Copyright 2011 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2010 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed. The Associated Press contributed to this report.)

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