In addition to the more than 3 million who have left country since start of fighting, another 2 million have been displaced within its borders in wake of Russian invasion, says UN

Polish city of Rzeszow, some 100 kilometers from the Ukrainian border, has become a humanitarian hub for the region, with tons of emergency supplies arriving daily

'The rate of this exodus is quite phenomenal,' says official at refugee agency; more than half of those fleeing have gone to Poland

Refugee commissioner estimates over a quarter of a million have escaped to Poland, 84,500 are in Hungary, 36,400 in Moldova, over 32,500 in Romania and about 30,000 in Slovakia

United Nations High Commission for Refugees says number is still rising and up to 4 million Ukrainians could flee if the situation deteriorates further

Civilians pour into Poland and other neighboring countries; UN refugee agency expects up to 4 million Ukrainians could flee if situation deteriorates further

Pledge comes as UN announces largest-ever appeal for a single country, seeking over $5 billion for Afghans suffering at home and those who have fled

UN's refugee agency says at least 1,570 individuals, including 186 Lebanese nationals, embarked on illicit journey or tried to leave country in smuggler boats during 2021

Move comes amid concerns of instability and upended humanitarian efforts after Taliban takeover, compounded by an ongoing drought

Motion would have San Francisco State University withdraw investments from firms that do business in Israeli towns in West Bank, though none currently have ties with school