Have you seen these York City robbers?

Sean Philip Cotter

Police are seeking the public's help in identifying a pair who robbed a York City convenience store in December.

Police say these people robbed a York City convenience store in December.

A man and a woman walked into the East Market Street Convenience Store at 162 E. Market St. just before 2 p.m. Friday, Dec. 18, according to a news release from the York City Police Department.

While the woman kept watch, the man pulled a knife on the clerk, threatening her, police say.

Police released surveillance photos Thursday, and authorities are offering a cash reward for any information that leads to an arrest.

Anyone with information is asked to call Crimestoppers at 755-TIPS or text "Yorktips" and the tip to 847411; they can also call the department at 846-1234 or 849-2219. All information will remain anonymous.