Security men deployed to provide security at the Saturday governorship and state houses of assembly elections have been killed in Zamfara state.
Officials of Nigeria management body, the Independent National Electoral Commission INEC numbering 20 were also abducted at Danmusa Local government area of Katsina state.
However, 10 out of them were said to have been freed.
An insider source from INEC confirming the incident said it happened at the middle of the elections.
A source who did not want his name mentioned who also confirmed the incident, said a policeman and a Nigeria Security and Civil Defence Corp officer were killed.
He said they were killed at Danmusa and Kankara local government areas of Katsina state.
Mr. Ismail, speaking to WEST AFRICA REPORTERS (WAR) on telephone, said the NSCDC officer corps, has since been deposited in the Federal Medical Centre, Katsina.