Police are warning residents after fourrmed robberies reported within six hours Friday in Austin and Wicker Park:
• At 12:01 a.m. in the 100 block of South Menard Avenue.
• At 12:20 a.m. in the 4700 block of West Harrison Street.
• At 3:56 a.m. in the 1800 block of West North Avenue.
• At 6:10 a.m. in the 100 block of South Cicero Avenue.