Tavershima Achinge, chairman of Zaki Biam yam market association in Ukum local government area of Benue state, has been shot dead.
Catherine Anene, public relations officer of the police in the state, disclosed this in Makurdi, the state capital, on Tuesday.
She said Achinge was shot dead on Monday evening, adding that the incident was reported on Tuesday through the Ukum divisional police station.
The market is said to be considered by many as the biggest place where yam is sold in Nigeria.
It is not yet clear why Achinge was killed.
The entire Sankera axis, comprising Ukum, Logo and Katsina-Ala local government areas of the state, have witnessed unprecedented killings and criminality in the last four years.