THE LOOP — Men have attacked people on the sidewalk before robbing them during two recent robberies in the Loop, police say.

In two incidents, men have walked up to people on the sidewalk and punched or knocked the people to the ground, according to a Chicago Police community alert. The men then kicked or held down the victim while another person took a wallet or computer device from the victim, according to police.

These incidents occurred:

• 12:30 a.m. Aug. 21 in the 0-100 block of West Harrison Street

• 9 p.m. Aug. 22 in the 900 block of South Michigan Avenue

Anyone with information about the incidents is asked to call police at 312-747-8384.

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