A BNP activist was killed and 15 others were injured in a clash between two factions of the party over establishing supremacy at Madhabpur village in Shailkupa upazila of Jhenaidah district on Thursday.
The deceased was identified as Mohon Sheikh, 65, of the village.
Locals said BNP activists Sher Ali Matabbar and Mashiur Rahman Matabbar of the village had long been at loggerheads over establishing supremacy in the locality.
As a sequel to the enmity, the supporters of both groups were locked into an altercation on Thursday morning, said Humayun Kabir Molla, officer-in-charge of Shailkupa Police Station.
At one stage, they attacked each other with sharp weapons, triggering a clash that left Mohon dead and 15 other individuals injured, he said.
A number of dwelling houses were also vandalised during the clash.
The injured were taken to district hospital. One of them was later shifted to Kushtia Medical College Hospital as his condition was stated to be critical.
Additional police have been deployed in the area to fend off further trouble.