Hello, I'm James Reynolds, I'm the BBC World Service, and this is BBC OS Conversations

welcoming Ukraine's refugees.

Since the Russian invasion on the 24th of February, more than 2 million people have left Ukraine

to escape the war.

We'll hear from one family who are now safe in Berlin, friends who are staying behind

and two men from the UK who've signed up to fight.

My family, they weren't happy with my decision, it's not your fight, they said they went,

you know, we're safe, and I went, yeah, we might be safe, but obviously the Ukrainians

aren't.

We can't see Putin stopping with Ukraine.

The United Nations has described what we're seeing as the fastest growing refugee crisis

in Europe since World War II, as people attempt to escape the fighting in Ukraine.

During their homes and most of their possessions behind many people have endured long and

often extremely dangerous journeys across the country, before then having to queue for

hours to cross the border.

Over recent days we've been hearing from some of those who've managed to reach safety,

welcomed by friends, family, and even the generosity of complete strangers.

One of the most heartening scenes has been at Berlin's central railway station, where trains

full of Ukrainian refugees are met by volunteers with food, drink, and offers of free accommodation.

Kani Shab spoke to one German family and the Ukrainian family they're now hosting.

So let me take you to a living room in a Berlin home and introduce you to hosts Timo and

Martina, their 13 year old twin daughters and Anastasia, who arrived a few days ago from

...