The 27th anniversary of Bhopal Gas Tragedy today was marked by violent protest by the gas victims in Bhopal. Police used force and lobbed tear gas to disperse the gas victims who were trying to stop trains at Bhopal ‘s Aishbagh Railway crossing. Police said, a number of people, including two senior district officials were injured in stone pelting. They said four police jeeps and a dozen motorcycles were set on fire during the agitation. A police jeep and an OB van of a news channel were damaged in stone pelting.The agitators resorted to rail blockade at Barkhedi, Aishbagh and Chhola Road railway crossings and squatted on the tracks, disrupting traffic on the busy Delhi-Chennai route. Our Correspondent says, train services were disrupted for about seven hours in Bhopal.