San Francisco police said they arrested a suspect in a stabbing on Mission Street that left a victim with life-threatening injuries Sunday afternoon.
The altercation was reported around 3:15 p.m. near 19th and Mission streets, according to Mariano Elias, spokesperson for the San Francisco Fire Department.
The intersection lies along the Carnaval parade route, which turned that section of Mission Street into a crowded street festival Sunday. Although festivities had quieted down by midafternoon, the area was still bustling with people…