Milwaukee Police are investigating a shooting that happened around 6:40 p.m. on August 22 in the 2400 block of N. 22nd Street. A 20-year-old Milwaukee man was shot after an argument inside a residence by a known subject. The victim was transported to a local hospital where he is being treated for a serious injury. The shooter fled the scene before the arrival of the police and is currently being sought. Our investigation into this matter is ongoing.