A 56-year-old man is in critical condition after being shot during a robbery in SoMa last night. 

The man, 56, was robbed alongside two other men on the 1300 block of Mission Street (between 9th and 10th streets) around 11:45 p.m. on Tuesday night.

The suspects in the case are four men, believed to be between 21 and 27 years of age. Police say they held the victim and the two other men at gunpoint, at which point one of the men shot the victim and fled.

The two other men held at gunpoint, 22 and 37, were uninjured, but the 22-year-old man's wallet was stolen. Police found spent shell casings at the scene.

The man who was shot remains hospitalized in life-threatening condition. According to the Chronicle, he drove himself to the California Pacific Medical Center on Van Ness Avenue, where he was admitted.

Police have yet to make any arrests in the case, which remains under investigation.

Anyone with information is asked to call the SFPD 24-hour tipline at (415) 575-4444 or text a tip to TIP411 and begin the text message with "SFPD."