Officers responded at 5:42 p.m. to a report of a stabbing at 7th Avenue and C Street in the Core-Columbia area, said San Diego police Officer David Stafford.
They found a man in his 30s who had been stabbed four times in the abdomen, he said.
The man was taken to a hospital for treatment and investigators were on the lookout for a suspect described as a black man in his 40s who is 5 feet 11 inches tall and wore a black suit when last seen, Stafford said.
At 5:59, officers responded to a report of a stabbing at 3000 J Street in the Stockton neighborhood and found a woman who had been stabbed in the back, he said.
“The exact location of the incident is unknown and there is no suspect description at this time,” Stafford said.