Three people were injured - one critically -- after a stabbing incident early Sunday. Police arrested a 39-year-old man in connection with the case. It happened during a fight just after 1 a.m. near the intersection of South Beretania and Griffiths streets. Paramedics took a 25-year-old man to a trauma center in critical condition. Another man and woman, both 26, were in serious condition. The suspect was arrested at the hospital at 8:10 a.m.