Nigeria's presidential election have been postponed over security concerns, after the military said it would not be able to help during the poll, as it was too busy fighting Boko Haram in the north.
The election, initially to be held on February 14, is being closely contested by President Goodluck Jonathan and General Muhammadu Buhari and will now be held at the end of March.
Speaking to Channel 4 News ahead of the official announcement of the postponement by the electoral commision, Gen Buhari said he would oppose it and that the government was using Boko Haram as an excuse not to hold the election.
Mr Buhari said to Reuters it was a "big disgrace" that other countries had more success in fighting Boko Haram than Nigeria.
"Our main objective is to secure the country. We will not tolerate insurgency, sabotage of the economy by the blowing up of installations, by stealing crude and so on.... All these things will be things of the past," he said.
African nations pledge force of 8,700 people to combat Boko Haram militants (07 February 2015)
Boko Haram ‘massacre’ in Cameroon (05 February 2015)
Chadian troops kill 'more than 200' Boko Haram militants (04 February 2015)
Chadian troops enter Nigeria to combat Boko Haram militants (03 February 2015)