foot and by rail. the un refugee agency believes up to 5 million people may try to leave ukraine. fierce fighting continues in many parts of the country with russian troops advancing from the north, from the east and from crimea in the cell. but all eyes are on kyiv. gunfire has also been heard in the city centre near the presidential office and there has been fierce fighting at the airport to the west of the capital. let s go live to new york and we will listen into the security council there. the un is the security council there. the un is not the security council there. the un is notjust the security council there. the un is notjust the chamber behind me. it is tens of thousands of women and men around thousands of women and men around the world feeding the hungry. around the world feeding the hungry, vaccinating children, promoting developments, protecting civilians in peacekeeping operations, mediating conflict, supporting refugees and migrants, advancing human rights, st