Via AFP:
18:30 GMT - WE ARE NOW CLOSING THIS LIVE REPORT after Russia, Ukraine, the US and EU reached a surprise deal to de-escalate the worsening crisis.
The four parties agree to "restore security for all citizens", including a call to disband armed groups that have taken over buildings in Ukraine "illegally".
While not spelt out in the agreement, these groups could refer to pro-Kremlin separatists who have seized control of government buildings and taken over parts of Ukraine's southeast, destabilising the country.
Washington and Kiev have accused Russia of supporting the militants who have...
