The main gas supply line to Narsingdi was damaged during construction work on a drain, according to Titas Gas authorities
RAB raids on Tuesday led to the arrests in Dohar Upazila, said RAB-10 Captain Jahangir Hossain Matubbor.
The four detained have been identified as ‘Mesbah’, ‘Mahfuz’ , ‘Taifur’, and ‘Faisal’.
More details will be available at a press conference at the RAB Media Centre in Karwan Bazar on Wednesday, said the RAB captain.