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CHICAGO — Less than 24 hours after they were wounded in a shooting, two Chicago police officers have have been released from the hospital and are recovering at home.

Three persons of interest are in custody.

The officers were shot Tuesday night at 43rd and Ashland as they were working a follow up investigation to a previous incident.

The officers were inside an unmarked gray van when two cars pulled up and started firing. The officers were able to return fire.

One officer was shot in the back. The second was shot in the arm and hip.

They were both were wearing their protective vests at the time.

They are assigned to the 9th District based in the Bridgeport neighborhood. In the aftermath of the shootings, upwards to 100 officers saturated the area searching for suspects and weapons. Two weapons were recovered including a high powered AR-15.

Chicago mayor Rahm Emanuel visited the hospital last night. He spoke to the officers and their families but did not address the media.

A spokesman for Emanuel said the mayor thought It was best to leave that to his superintendent.

Former police officer Alderman Willie Cochran and three other council members aldermen Ed Burke, Anthony Napolitano and Christopher Taliaferro, all former officers themselves, will soon introduce a proposed ordinance to allow officers to start using military style assault rifles.

Alderman Ray Lopez, who represents the ward where the shooting took place, says he is open to the idea of giving Chicago police officers longer guns.