Ukraine is a world leader in surrogacy, but babies are now stranded in a war zone

The race is on to help them escape. As the second-most popular international surrogacy destination, the birthing arrangement is big business in Ukraine. Usually, parents must travel to the country to claim their baby, but as war tears through the nation, some surrogate mothers have become unreachable. Isabel Coles explores the perilous journeys facing surrogate mothers and the extreme lengths to which some biological parents try to retrieve their newborns.