PHILADELPHIA (CBS) – Officials in Philadelphia are investigating a police-involved shooting that left a man in critical condition.

The shooting occurred just after 5:00 a.m. Saturday near the intersection of 20th Street and Allegheny Avenue in the Nicetown-Tioga section of the city.

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Police say an officer patrolling the area spotted a naked man throwing large rocks and a large metal newspaper box and even laying in the street in front of a SEPTA bus.

After additional officers arrived on scene, authorities say the man struck the driver’s side door of a police cruiser and punched the windshield of second patrol car, shattering it and showering glass onto the interior.

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Police say the officer in the driver’s seat fired through the windshield, hitting the man in the chest and elbow. He was taken to Temple University Hospital in critical but stable condition.

There were no injuries to police.

The incident is under investigation.

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