Marathon overnight peace talks in Belarus have ended with an agreement to end the fighting in eastern Ukraine.
A ceasefire will begin on 15th February. The deal also includes weapons withdrawals and prisoner exchanges.
The deal was hashed out by Russian President Vladimir Putin, Ukraine's Petro Poroshenko and the leaders from France and Germany.
Thousands of people have died in almost a year of fighting in the region with an upturn in military and civilian deaths in recent weeks.
The pro-Russian rebels in eastern Ukraine have signed the agreement. A previous ceasefire deal was quickly abandoned last September.
Britain's Deputy Prime Minister Nick Clegg says international pressure must be applied so all sides stick to the agreement.
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