CHICAGO (CBS) — The teenage robbery mobs are at it again on North Michigan Avenue.

Some 50 young people barged into a Walgreens at Michigan and Chicago on the Magnificent Mile on Tuesday afternoon. They took bottled drinks and sandwiches off the shelves, then ran off, CBS 2’s Suzanne Le Mignot reports.

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A police report says authorities were able to nab three of the thieves.

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Walgreens says the store is working with police, helping investigators with video from the store security camera. 

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The Mag Mile earlier this year was hit by similar mobs of young thieves. Attacks on commuters and bicyclists have become violent, and police have stepped up patrols.