On Tuesday at 5:26 p.m., the U.S. Marshals Gulf Coast Violent Offenders Fugitive Task Force, with the assistance of the Corpus Christi Police Department, were serving a parole violation and felony warrant on a 30-year-old man on the 4100 block of Midlands Street on the city's south side.Before officers could make the arrest, a gunshot was heard. Officers located the man with a self-inflicted gunshot wound. Medical aid was rendered immediately, and the man was taken to a local hospital, where he is in critical condition.According to CCPD, police fired no shots during this incident, and there was no threat to the public.For the latest local news updates, click here, or download the KRIS 6 News App.