(CBS) — There have been a number of disturbances with injuries at Oak Street and North Avenue beaches Monday afternoon, the Chicago Fire Deapartment says.

Most of the injuries on Memorial Day involve cuts from broken glass and alcohol consumption, authorities say.

A fire department spokesperson says at least six people have been taken to hospitals from North Avenue Beach.

Meantime, police officers on ATVs, bicycles and on horses were in force at North Avenue Beach.

CBS 2’s Audrina Bigos witnessed two people being taken away by police.