He said the protesters pelted stones on the polling staff returning from election duty.
The security forces accompanying the election staff used force on the protesters and four persons were injured in the action, he said.
The injured were taken to a hospital where one of them succumbed, the official said.
He said stone-pelting incidents have been reported from a few other places immediately after the polling ended.
Some security forces' personnel and polling staff have been injured, the official said, adding details were awaited.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)