ALLENTOWN, Pa. -

Police in Allentown are investigating into an armed robbery at a convenience store.

It happened shortly after 3 a.m. Sunday at the 7-Eleven on S. Fourth Street in Allentown.

Police say a man with a handgun took an unknown amount of cash from the store's register.

The robber then fled on foot.

Officials ask if you have any information, please contact Allentown Police.