Ukrainian authorities on Sunday accused Russian forces of bombing a school in the besieged city of Mariupol where some 400 people, including women and children had been sheltering, and of deporting some residents to Russia. Mariupol has been one of the main targets of Moscow’s attacks. Russian shelling has hammered the eastern Ukrainian port for days, and the city has seen a near total communication blackout. “Yesterday, the Russian occupiers dropped bombs on an art school No 12,” the city council said on messaging app Telegram on Sunday, adding that around 400 women, children and elderly peop…