EAST STROUDSBURG, Pa. -

Police are investigating two robberies at East Stroudsburg University that happened within an hour of each other this weekend.

It's not yet known if the incidents are related.

University officials say one victim was struck in the face and robbed by four men at 12:45 a.m. Saturday night.

Shortly after another student was robbed of a cell phone.

The suspects in both cases were described as dark-skinned males in their late teens.