Deshawn Jackson, of Douglas, was charged with felony counts of armed robbery and aggravated unlawful use of a weapon, according to Chicago police.
Authorities have not ruled out arson as the cause of a trash can fire early Tuesday that damaged several cars, a home and a power transformer in Old Town on the Near North Side.
CTA Brown and Purple Line service is running again with delays Tuesday after a collision between two trains near the Sedgwick station in Old Town.
A 22-year-old man was wounded Saturday in a shooting in Old Town on the Near North Side.
A group of robbers beat at least three people and stole their cell phones in separate incidents last week in the North Side Lincoln Park and Old Town neighborhoods.