Milwaukee police are investigating a deadly accident that happened Sunday night on N. 20th Street.
Police said a 55-year-old man was driving in the 1300 block of N. 20th Street when he hit a tree. The driver died at the scene. Three passengers were in the car at the time of the crash and police said all three suffered life-threatening injuries.
The crash is believed to be alcohol-related.
No other details were released.