A Subway restaurant in a strip mall off Route 112 in Coram was robbed twice within a 19-hour period over the weekend, Suffolk police said Monday.

No one was injured in either robbery.

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Police did not detail how much money was taken.

Police said the store on Glenmere Lane off Route 112 was first robbed at knifepoint at about 9:35 p.m. on Saturday. The second robbery occurred at about 4 p.m. Sunday, when police said a man entered, jumped over the counter and demanded cash.

Police said the two robberies appear unrelated.

An investigation into the robberies is continuing.