Thousands of people are fleeing war in eastern Ukraine for the relative safety of its western border with Poland, only to find that a punishing new ordeal awaits.
By Sunday afternoon, an unmoving line of cars, buses and trucks stretched for 35 km (22 miles) from the border crossing at Shehyni, all packed with people and belongings, all waiting their turn to squeeze through the overburdened border checkpoint to Poland.
