San Francisco police responded to shootings in the Mission District and Bernal Heights Tuesday evening and early Wednesday.
The first shooting was reported at 7:17 p.m. at 26th Street and Treat Avenue. The victim, a 21-year-old man, said he heard shots and felt something hit his lower back, but saw nothing, police said.
The victim was taken to the hospital in stable condition, according to police.
The second shooting was reported at 3:20 a.m. in the 100 block of Holladay Avenue in Bernal Heights via a SpotShotter gunshot detection system activation, police said.
Police did not find the victim, a 17-year-old male, at the scene, but later learned he had been taken to San Francisco General Hospital by friends. His injuries are considered life-threatening, police said.
No suspect information was immediately available in either shooting and no arrests have been made, according to police.