QUETTA: Unidentified people believed to be from the Mazari tribe shot dead two men of a Bugti sub-tribe in Sui on Saturday. Police said that two motorcyclists belonging to the Mazari tribe opened fire at Bugtis of the Mohndrani and Chakrani sub-tribes. They killed two of them and injured a third. Sources told Daily Times that the three were working at a gas-well on the Sui Kashmor Road. Police registered a case against the assailants and started investigations.