American and Ukrainian officials stated because their contract was ending.

Donors and Ukrainian military officials caution that it is only a start.

Several high-ranking Ukrainian officials stated the return "would not be quick".

Ukrainian officials estimate the area will not be safe for human life again for another 20,000 years.

But a senior Ukrainian official denied that the carriers had been deployed.

Ukrainian officials said there was no discussion between the two men on the situation in Crimea.

Ukrainian officials say current plans call for the army to be made up of professional soldiers and conscripted ones.

Ukrainian officials put the crash site at 150 miles from the exercise zone.

Ukrainian officials said the trip was canceled because of a mining disaster at home.

Ukrainian officials said the loss could reverse its modest economic growth to cause a contraction of between 4 and 5 percent this year.