NEW YORK (CBSNewYork) — Police are asking for the public’s help in identifying a suspect who they say has robbed at least four businesses in Queens at gunpoint.

Two of the alleged robberies happened within seven minutes of each other on Monday morning. Police said the suspect held up a Walgreens on Rockaway Boulevard just after 3:30 p.m. and then a few minutes later hit the 7-11 on Northern Boulevard.

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The other robberies were at a T-Mobile store on Jamaica Avenue on July 26 and the Pathmark on Springfield Boulevard on July 28.

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Police said in each incident the armed suspect walked into the store and demanded money before fleeing the location.

No injuries have been reported.

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Anyone with information is asked to call the NYPD’s Crime Stoppers Hotline at 800-577-TIPS.