1 killed, 3 injured in multi-car crash on I-85

DEKALB COUNTY, Ga. - Police are investigating a deadly crash involving multiple vehicles on Interstate 85 in DeKalb County.

The crash happened around 3:40 a.m. in the northbound lanes of the interstate between Shallowford Road and Chamblee Tucker Road.

What we know:

FOX 5 cameras spotted at least four cars involved in the crash - one of which was hanging off the right edge of the interstate.

Police say they were originally called to the scene after reports of a pedestrian hit on the interstate. It is unclear if there actually was a pedestrian involved at this time.

According to officials, one person was killed in the crash. Three others were injured.

What we don't know:

 Authorities have not released the names of the victims or the conditions of the injured drivers and passengers involved in the crash.

The cause of the crash remains under investigation.

What you can do:

The crash shut down all northbound lanes of I-85 for over an hour. One lane has reopened, but drivers should expect heavy delays.

Commuters can use Buford Highway as an alternate route.