Victor Quach, 26, a U.S. Air Force airman, was killed in a car accident on I-95 northbound the Fishtown neighborhood of Philadelphia.

A senior airman was killed in a crash in Philadelphia on Tuesday morning.

Around 4 a.m., 26-year-old Victor Quach died in a vehicle accident on I-95 North near Girard Avenue in the Fishtown section of Philadelphia.

Quach was stationed at Dover Air Force Base in Delaware and was assigned to the 436th Civil Engineer Squadron as a Fuel and Water Maintenance technician.

“It is with deep sadness that we confirm the death of Senior Airman Quach,” said Col. Randy Huiss, 436th Airlift Wing vice commander, in a release. “The loss of one of our Airmen is a loss for all of us, and our thoughts and condolences go out to his family during this difficult time.”

The cause of the accident is still under investigation.