An investigation is underway after a man was shot to death in west Birmingham Wednesday afternoon, the second deadly shooting in the city in less than 12 hours.

Birmingham responded about 2 p.m. to the 5100 block of Jenkins Street. West Precinct Sgt. Danny Woodard said a neighbor heard shots fired and the saw an SUV crashed into a tree.

Once police arrived on the scene, they found an adult white male wounded in the driver's seat. Birmingham Fire and Rescue pronounced him dead on the scene.

Homicide detectives and the Jefferson County Coroner's Office are en route to the scene.

Earlier Wednesday, about 2:30 a.m., a man and a woman were shot in a vehicle in Pratt City. The female victim - 26-year-old Briana Young - died. The male victim was seriously injured.

The Wednesday afternoon slaying marks the 79th homicide in Birmingham so far in 2018. Of those, at least five have been ruled justifiable and therefore will not be included by the Birmingham Police Department in its year-end tally. In all of Jefferson County, there have been 112 homicides, including the 79 in Birmingham.

Anyone with information is asked to call Birmingham police homicide detectives at 205-254-1764 or Crime Stoppers at 205-254-7777.