PHILADELPHIA (CBS) – Police have identified a man accused of stabbing a co-worker to death at the Philadelphia International Airport on Thursday.

Police say 35-year-old Kevin Emanuel stabbed his co-worker, 28-year-old Aaron Jenkins, during a fight over an overhead light. Emanuel has been charged with murder and possession of an instrument of crime.

airport stabbing

An employee was stabbed to death at Philadelphia International Airport. (credit: CBS3)

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Philadelphia Police Lt. John Walker says one man turned off a light and the other wanted it on. A friend jumped in and the three men became physical.

That’s when police say Emanuel stabbed Jenkins.

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Jenkins was found lying on the maintenance break room floor with a stab wound to the upper left thigh. He was taken to Penn Presbyterian Medical Center where he was later pronounced dead.

It is believed Jenkins was stabbed with a box cutter, but police are still searching for the weapon.

Police say the men are Worldwide Flight Services employees, who are contracted by Frontier Airlines to clean planes.