thank you for that. as we've been reporting, hundreds of thousands of people are fleeing the fighting by crossing the border into poland. but there are also some heading the other way — ukrainians returning to their country tojoin relatives or take up arms against the russian forces. our europe correspondent, mark lowen, reports. the farewell of fear. ukrainian hearts split between safety in poland and a desire, a need, to return, driven by patriotism, bravery and knowledge they are outgunned by the enemy. they left from krakow, packing to survive a siege. a three—hour trip to the border, towards the darkness of war, praying for protection. en route, there is no respite from the news back home. my parents want me to stay in poland, but... this woman hasn't even told her mum