poltava has become one giant waiting room, as thousands are now evacuated here away from the front line and the immediate threat, and then stranded. there are people here from all over this region who fled the areas where the fighting is now at its fiercest, and they've come here in hope of getting a ride as far west as possible. but for the moment, there is no information, no trains. they're just standing and waiting. when a train pulls in, they surge forward. it's a moment of hope but it's a fleeting one. this train is travelling east, not west — towards the fighting, not to safety. sarah rainsford, bbc news, poltava. stay with us on bbc news. still to come, we will tell you how the world's most famous undiscovered shipwreck, sir ernest shackleton�*s app endurance, has been found. the numbers of dead and wounded defied belief. this, the worst terrorist atrocity on european soil