Special police force deployed in Nigerian state of Kaduna, tweets President Muhammadu Buhari

A special police force has been deployed to flashpoints in the northern state of Kaduna on Sunday in the wake of communal violence over the last few days that has killed 55 people, President Muhammadu Buhari said on Twitter.

"The police have been authorized to do everything possible to restore calm," he said in the tweet.

The violence in Kaduna, which has resulted in the deaths of 55 innocent people, is condemnable. The Police have been authorized to do everything possible to restore calm. A Special Intervention Force has been deployed to the flash-points, and the IG will provide regular updates.

— Muhammadu Buhari (@MBuhari) October 21, 2018

The Kaduna state government imposed a 24-hour curfew on Sunday after violence broke out on the streets of the state's capital city, also called Kaduna.