Around 6 a.m. on Sunday, a 25-year-old man was robbed at gunpoint in the 600-block of Leclaire Avenue.
About 20 minutes later, a 30-year-old man was robbed at gunpoint in the 800 block of N. Laramie Avenue, police said.
Ten minutes after the second crime, Chicago police arrested four teenagers around 6:33 a.m.in the 5200-block of North Ave in North Austin.
Police arrested a 13-year-old boy, two 15-year-old boys, and a 16-year-old boy.
All are facing two felony counts for armed robbery.
Due to their age, Chicago police did not identify the suspects.
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