BREAKING UPDATE: A man has been charged in the attack that critically injured a woman on Michigan Avenue.

Bruce Diamond, 52, is facing one felony count of aggravated battery/great bodily harm. Read more

Earlier story:

CHICAGO — A woman was critically injured after being attacked on Michigan Avenue Monday afternoon.

According to the Chicago Police Department, a woman was attacked on the 600 block of North Michigan Avenue in the Magnificent Mile neighborhood just after 2 p.m. on Monday.

A man reportedly threw a heavy object at the woman’s head. She was transported to Northwestern Hospital in critical condition.

The man was arrested at the scene and charges are expected to be filed.