Four persons were injured, three critical when a parcel bomb exploded at a shop in Hemtabad town of North Dinajpur district bordering Bangladesh in North Bengal, police said.
All the injured had been admitted to the Raiganj super-specialty hospital.
“The incident took place when a parcel (packet) sent in the name of one Bablu Chowdhury a medicine retailer was opened by him,” said alocal adding three onlookers too were injured in the blast.
“The packet was delivered to me by an unknown toto driver,” said one of the injured persons adding “out of curiosity the injured person opened it and the thing exploded in his face.”