The Latest on the shooting of a Chicago police officer and suspect during an altercation (all times local):

12:10 p.m.

Authorities say a police officer who was shot in the leg by a suspect on Chicago's South Side has been released from the hospital.

The Cook County medical examiner on Friday identified the suspect as 50-year-old Derek Love, who was killed in the exchange of gunfire Thursday evening.

Police say the wounded officer and his partner were on bike patrol when a person told them about a man acting "erratically." The officers approached the man to ask him to end his cellphone call and speak with them when the man pulled out a gun and opened fire. Police say both officers returned fire, killing the suspect.

Authorities have not released the identities of the officers involved. A Chicago police spokesman says they will be on 30-day administrative duty.

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12:50 a.m.

Chicago police say an officer is expected to survive after being shot in the leg by a man who was killed when officers returned fire.

Chicago Police Supt. Eddie Johnson told reporters late Thursday that the officer and his partner were on bike patrol on the near South Side Thursday night when a person told them about a man acting "erratically."

The officers approached a man talking on a cellphone and asked to speak with him. Johnson says the man pulled a gun out of a backpack and opened fire. He says both officers returned fire, killing the suspect.

One officer was struck in the thigh. He was taken to a hospital with injuries not considered to be life-threatening.

Johnson said the incident was "another example of too many guns" and "too many people willing to use them."