A 20-year-old man was shot and killed in San Francisco’s Tenderloin neighborhood late Monday, authorities said.

The homicide occurred at about 11:11 p.m. near Larkin Street and Golden Gate Avenue, according to San Francisco police. The man was taken to a hospital, where he was pronounced dead.

Police said the killer’s vehicle was an SUV but did not release any other information. No arrest has been made.

Authorities originally identified the victim as a 23-year-old man.

The killing marks the 31st homicide of the year in San Francisco.

Anna Bauman is a San Francisco Chronicle staff writer. Email: anna.bauman@sfchronicle.com Twitter: @abauman2