Guwahati, June 10 -- At least two firefighters of Oil India Limited (OIL) were killed near the oil well blowout site in Assam's Tinsukia district on Wednesday. Many houses in the adjoining areas were also damaged and several thousand people have shifted to safer places and the relief camps set up by the OIL.Officials of the Tinsukia district administration said that firefighters Durlav Gogoi and Tikheswar Gohain had been missing ever since a massive fire broke out at OIL's oil well on Tuesday afternoon."The cause of deaths of the firefighters could be drowning in a nearby pond or suffocation in the huge smoke coming out from the massive fire since Tuesday afternoon," the officials told the media.

The National Disaster Response Force (NDR...