“Russia launched its attack in the early hours of 24 February from three main directions: north, south and east.
Some 95% of the troops positioned around Ukraine in the build-up to the invasion are now on Ukrainian territory, according to US officials.
Targets all over the country have been attacked from land, sea and air.
On Monday, Russia proposed a number of humanitarian corridors from key cities.
But four of the six proposed routes to safety went to Russia in the east, or to Belarus, its key ally, to the north.
Ukraine condemned this condition as "completely immoral.”