Would you pick up a gun and fight for Ukraine? The injustice of the Russian invasion has led white-collar professionals like Florent and Tomas to trade suits and ties for camouflage and Kalashnikovs. Florent, who is French, and Tomas, a Lithuanian, met for the first time in February at the Ukrainian embassy in Belgium. They teamed up for the trip to Ukraine and they're now back in Brussels to tell their story.