Police say a man shot, killed his co-worker during a fight in Shop Rite parking lot

PHILADELPHIA (WPVI) -- A fight between two co-workers turned deadly in the city's Oxford Circle section.

Philadelphia police say the men were street sweeping the Shop Rite parking lot on the 6300 block of Oxford Avenue around 3 a.m. Saturday.

Investigators say the men began yelling at each other from their trucks.

A short time later, police say the two left their trucks and continued arguing with each other.

That's when, according to police, one of the men pulled out a gun, shooting the other in the chest.

The victim, a 44-year-old-man, died at the scene.

Police say the suspect remained on the scene and is in custody.