A British army battalion has been send to Kosovo after the UN mission in the Serb province raised its security threat level to Stage Black.

Nato peacekeepers and UN police regrouped throughout Kosovo today to put down rioting and violence that left eight dead and hundreds injured in one of the bloodiest days since the end of the Kosovo war in 1999.

A UN police officer in Kosovo has been arrested in connection with the death of an Albanian woman near Pristina.