PATNA, June 5 -- The firing incident at Khan Global Studies (KGS) took a new twist with the arrest of two guards, employed by YouTuber educationist Faisal Khan alias Khan Sir, after a video released by a rival coaching centre showed them firing the rounds, police said on Thursday. The HT couldn't verify the veracity of the video. Police had on Wednesday arrested three persons, including rival coaching institute director Roshan Anand, in connection with the assault at the gate of Khan's institute located in Mussalahpur Hatt area under the jurisdiction of Kadamkuan police station late Tuesday. On Thursday, Anand's coaching institute staff sent a widely circulated video clip of firing by Khan's guards for forensic examination to ascertain the exact timing of the incident. Anand runs Gyan Bindu Institute in the same area. P3...