Tribune News ServiceAmritsar, February 21Three youths shot at a biker after an altercation over collision of bikes in Vikas Nagar near Khandwala today evening. The victim, Yuvraj Singh, is said to be critical at a hospital. According to information, the bullet hit Yuvraj Singh in his stomach. Additional Deputy Commissioner of Police (ADCP) Lakhbir singh reached the spot after getting information. Hearing the gunshot, people came out of their houses so the accused fled..