Ukraine's frontline cuts across the east of the country like a jagged scar. The 13-month conflict between government forces and pro-Russian separatist rebels has claimed more than 6,300 lives, displaced 1.3 million people and left hundreds of thousands in need of urgent food aid.
Despite a February ceasefire, the fighting hasn't stopped.
In March and April, Kristina Jovanovski had rare access to rebel-held areas to investigate the humanitarian disaster that has unfolded on Europe's doorstep. Here's our exclusive report
on why aid isn't getting through.