Haridwar, Jan. 29 -- Two people sustained burn injuries in an LPG cylinder blast at a tea stall in Roorkee early Wednesday morning, the police said. According to officers at Gang Nahar police station, the incident occurred around 5 am at a tea stall near Rampur Chungi, under the Gang Nahar police station limits. Several people were present near the tea stall at the time of the blast, police said. Preliminary investigation suggests that the blast may have occurred due to a gas leak from an LPG cylinder kept inside the tea stall. However, police said the exact cause of the explosion will be confirmed only after the forensic report is received. Eyewitnesses said that two loud blasts were heard in quick succession, creating panic in the area. Flames also spread briefly inside the shop following the explosion....