(NBC NEWS) A fragile truce between pro-West demonstrators and Ukraine’s security forces was shattered early Thursday as battles erupted on the streets of Kiev, leaving at least 10 people dead.

Facing sanctions from the United States and the European Union, President Viktor Yanukovych reached a truce with opposition leaders on Wednesday night after two days of violence that saw at least 28 people killed.

But the pact was short lived. Independence Square –- where the protest movement has camped out since November –- descended into urban warfare by 10 a.m. local time (3 a.m. ET). Authorities confirmed seven civilian deaths and said three police officers had also been killed.

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