Twenty of the 200 aid trucks from Russia have crossed the Ukraine border, Reuters witnesses say.
The trucks are said to be being accompanied by a small number of pro-Russian rebels.
More top news
Murder charges against an Irish nanny, who spent more than two years in prison accused of killing a baby in the USA, have been dropped.
Charities face probe after claims they may have been involved in buying and selling widower's details.
The island of Kivalina in Alaska is quickly disappearing into the ocean, watched by its 400 residents, due to climate change.