Allentown Police are investigating an armed robbery at the Lehigh Valley Market.

It happened Tuesday around 1:34 p.m. in the 1200 block of Lehigh Street.

Police say a man, with his face covered, went into the store displayed a large knife and demanded money from the cashier.

He got away with some cash and ran away.

Anyone with information is asked to call police at 610-437-7721.