Ukraine crisis: The bridge out of rebel territory
The Ukrainian authorities are increasing restrictions in and out of rebel-held territory in eastern Ukraine.
In recent weeks, goods and people have been stuck on either side of the conflict's front line.
And with the war appearing to have reached a stalemate, some politicians in Ukraine are calling for rebel territory to be completely shut off from the rest of the country.
Tom Burridge went to meet people in the rebel-controlled part of the Luhansk region in eastern Ukraine, who risk their lives to cross.