Two delivery drivers in Oak Cliff were robbed by the same suspect within minutes of each other, and Dallas Police are asking for the public's help in finding the suspect.

Oak Cliff crime spree What we know: Dallas Police say an unknown suspect robbed two delivery drivers in Oak Cliff in the middle of the night, and the robberies happened within minutes of each other.

The first robbery happened in the 1600 block of Fort Worth Avenue near a White Rhino Coffee shop around 2:30 a.m., where a pastry delivery driver was confronted by a suspect brandishing a butcher knife.