Original sentence: It is generally expected that the ongoing talks will lead to some form of independence under international supervision, though Serbia and Russia have both insisted that a solution imposed without the consent of Belgrade would be unacceptable; Russia has announced to use its UN Security Council veto if it is not happy with the outcome
Edited sentence: It is generally expected that the ongoing talks will lead to some form of independence under international supervision, though Serbia and Russia have both insisted that a solution imposed without the consent of Belgrade would be unacceptable; Russia has threatened to use its UN Security Council veto if it is not happy with the outcome