A local Awami League leader in Bheramara upazila died while three others sustained bullet injuries after assailants fired at them on Friday morning, police said.
The deceased was identified as Siddikur Rahman, general secretary of AL in ward-3 in Chandgram union of the upazila. The injured are being treated at upazila health complex and Kushtia General Hospital.
Around 9am, Siddikur was working on his field in Charpara village with some farmers when the assailants fired at them and fled, said Mojibur Rahman, officer-in-charge of Bheramara police station.
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The locals rushed the four injured to Bheramara upazila health complex, where Siddikur was declared dead on arrival.
Police suspect the murder was the fallout of an old rivalry.
"The body has been sent for an autopsy and we are investigating the matter. Efforts are on to arrest the killers," the OC said.
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Cops have been deployed in the area to avoid any law and order situation, he added.