Ukraine conflict: Your guide to understanding day 11

On day 11 of the invasion, towns to the north-west of the capital Kyiv came under relentless bombardment as Russian forces continued their attempt to break through towards the capital. There was heavy fighting with Russian forces in Bucha, Hostomel and Irpin, where barely a minute went by without an explosion, according to locals. At least four people - all from the same family - were reportedly killed as they tried to flee Irpin, after Russian mortar shells targeted a damaged bridge they were using. Russia has been striking civilian targets in Ukraine, including hospitals, nurseries and schools, the Ukrainian deputy prime minister said. Olha Stefanishyna told the BBC that, after "strong resistance" from the Ukrainian army, there had been an "enormous operation" by Russia against civilians. She accused Russia of a "terroristic plan", with attacks coming from the air and also by land