Fifty-four people were injured and another 18 were missing after an explosion at Qatar's main LNG processing complex of Ras Laffan on Sunday, the Gulf nation's interior ministry said in a statement.
The interior ministry described the incident as an internal explosion and later said that a technical malfunction had caused the blast.
QatarEnergy said in a statement that an explosion and fire broke out at the Barzan local gas supply facility on Sunday evening during the start-up of operations at Ras Laffan Industrial City.
The company said emergency teams were sent to the site and that the blaze had since been brought under control.
The extent of the damage caused by the explosion is still unclear.
