>> this is a man jumping on a tank carrying a flag. in an address to the ukrainian people, president volodymyr zelenskyy urges them to keep up the resistance. here he is. take a listen. >> translator: ukrainians in all our city where the enemy invaded, go on the offensive, go out out on the streets. we need to fight every time we van opportunity. >> we have correspondents around the world reporting on this. so let's start with cnn's scott mclean in lviv. when we talked yesterday, the two same humanitarian corridors were announced for the first