Tension continues in Ukraine ahead of Crimea referendum

Foreign Secretary William Hague has called for a "firm and united" response from the European Union after diplomatic crisis talks on Ukraine failed to achieve a breakthrough.

Tensions continue to run high ahead of a referendum in the southern region of Crimea on Sunday to decide whether it should become part of Russia.

Officials said two people have been killed in clashes between pro-Ukrainian and pro-Russian activists in the eastern city of Kharkiv.

Marika Oi has more.