He shot the woman he lived with with a gun.

The incident occurred around 11:00 p.m. on the second floor of a six-story apartment building on 199th Street in the Murat Reis neighborhood. An argument between HMA and U.İ., who were living together, quickly escalated into a fight. During the scuffle, HMA fired a gun at U.İ., with whom she was living.
NO LIFE THREATENING
Neighbors who heard the gunshots alerted them to the incident, and paramedics and police were dispatched to the scene. U.İ., who was injured, was taken to the hospital after receiving first aid at the scene. Suspect HMA was taken into custody. UI's injuries are reported to be non-life-threatening.
The investigation into the incident is ongoing.
Source: DHA
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