Police say the suspects were seen shoplifting at South County Center, then ran to a stolen car when officers approached them.
That car wouldn't start so the thieves allegedly punched a man in the face and tried to steal his car. But the man fought them off.
Two suspects were soon captured, but two others stole a minivan as a woman was unloading groceries from it.
A chase began along Interstate 55 into the city; the pursuit included a police helicopter.
The van crashed through a chain-link fence and a wall at a school, stopping on the playground.
The two suspects ran but were caught.
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