of the war in ukraine, two million people have left the country — and the number is expected to rise. 13 days ago, many ukrainian citizens were going about their normal daily lives, now they have become refugees in neighbouring countries. lewis goodall has this report from the polish—ukrainian border. all throughout europe, all through the day, all through the night, journeys of mercy are being made. this german group of paramedics from frankfurt are making the 1250 mile journey to the polish border to use their ambulance bus to help provide medical care to ukraine's refugees. we call it in germany ambulance bus — so a big bus. you can take six people on the beds here and you can take medical care of them. like an emergency room. but the germans aren't the only samaritans on the road. indeed, the approach is full of people arriving with aid.