Police in Columbia County are searching for a man they believe is behind a stabbing that left another man critically injured. Authorities say the stabbing happened outside JJ's Bar along West 2nd Street in Berwick just before 11:30 Friday night. According to police, 24-year-old Bryan Arriaga-Soto of Bloomsburg stabbed the victim multiple times during the altercation outside the bar. Arriaga-Soto is facing attempted homicide and aggravated assault charges. Anyone with information on Arriaga-Soto's whereabouts is asked to contact police in Berwick.