At around 2 am on Sunday, two trucks carrying diesel and petrol were coming from Paradip to Nayagarh in Odisha when one of the trucks fell into Kusumi river, said superintendent of police Alekha Chandra Pahi. 

The crew of the second tanker rushed to rescue the staff of the first tanker, said the SP adding a sudden explosion took place and four employees of the two trucks were charred to death. 

"One received severe injuries and his condition is critical, said the official. -- ANI