BART trains late Wednesday night were not stopping at the Civic Center Station in San Francisco due to an investigation of a stabbing, BART police said.
The victim was found on a BART train platform about 10 p.m., but police were not sure where the victim came from.
The scene was cordonedoff and police were investigating the stabbing.
The victim appears to be in critical but stable condition, according to the BART watch commander on duty.