A 46-year-old postal worker was assaulted as he delivered mail in Crown Heights.

The incident happened near Bedford Avenue minutes after 4:30 p.m. Monday.

Investigators say the 46-year-old postal worker was delivering mail when a man approached him demanding a package in his hand.

The man then slashed the postal worker in the face with an unknown item before fleeing into a nearby building.

Police sources say they are looking for a man wearing a grey hooded shirt and black vest.

The 48-year-old man was transported by EMS to Methodist hospital.

There are no arrests.