On-duty officer of Fire Service and Civil Defence Headquarters Rashid Bin Khalid told BSS that the fire was doused by the restaurant employees before fire fighters' reaching the spot.

Restaurant's executive director Bipu Chowdhury said employees of the restaurant heard sound of gas leakage when they went to light the burner for warming up food items in the kitchen.

When the employees wanted to turn off the burner quickly, an explosion occurred there leaving five of them injured.