Ukraine's new president Petro Poroshenko has called for dialogue with the east of the country, gripped with a violent, pro-Russian insurgency, as he took the oath of office.
Calling for armed groups to lay down their weapons, he promised Ukraine's parliament "I will bring you peace" but did not indicate whether forces would scale back their offences against the insurgency.
As president, Mr Poroshenko is commander-in-chief of the military and appoints the defence and foreign ministers.
In his inaugural address, attended by US vice president Joseph Biden and senator John McCain, Mr Poroshenko promised amnesty for those without "blood on their hands". He said:
I am calling on everyone who has taken arms in their hands - please lay down your arms.
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