Finding a safe route out of Ukraine is not easy.
So how do people actually find safe passage out of the country? One way is via transport arranged by dozens of volunteers based thousands of miles away, who liaise with fellow volunteers in Ukraine.
They, in turn, send information in real-time about safe roads to drivers who can rescue busloads of people. In other words, they are crowdsourcing safe passage out of a war zone.
Read the full article here on BBC News