Four workers sustained burn injuries and five others went missing in an explosion at an oil-laden vessel in Sugandha River in Jhalakathi on Saturday afternoon.
The burned are Shakil, 35, Faridul Islam, 50, Iqbal Hossain, 27 and Mainul Islam Hridoy, 27. Details about them could not be found immediately.
Of them, two are undergoing treatment at Barishal Sher-E-Bangla Medical College Hospital and the rest at Jhalakathi Sadar Hospital.
Abdus Salam, a worker of Padma Oil Company in Jhalakathi chapter, said the Sagar Nandini-2 vessel carrying around 10 lakh litres of petrol and diesel anchored in front of the oil company in the river earlier.
It was scheduled to unload the fuel from the vessel on Saturday afternoon when it caught fire with a big bang inside the engine room around 2pm, he said, adding that four people sustained burn injuries and five others remain missing in this connection.
On information, members of the Fire Service and Civil Defence rescued the burned workers and sent them to hospitals, he said.
The vessel is sinking gradually as it's beneath burst during the explosion, he said.
Md Muhitul Islam, additional superintendent of district police, said divers of the fire service personnel rescued the burned workers and are searching for the missing ones.