In a major provocative incident, Border Guards of Bangladesh (BGB) on Thursday opened fire on a Border Security Force (BSF) party, killing one constable and injuring another when the party was trying to trace an Indian fisherman along the India-Bangladesh border in West Bengal.Head Constable Vijay Bhan Singh died after he received bullet injuries on his head. Another constable-cum-boatman received bullet injuries on his right hand."Both the injured BSF personnel were evacuated to the nearest medical facility. Head Constable Vijay Bhan Singh succumbed to injuries. He was declared brought dead. The injured constable has been taken to Murshidabad Medical College and Hospital Behrampore," the BSF said.According to the BSF, three Indian fishermen had gone for fishing in River Padma in the border area on Thursday morning."Two fishermen returned and approached the BSF post at Kakmarichar and said that the Border Guard Bangladesh (BGB) apprehended them all. They, however, released two of them