Ukraine war latest: Russian An-72 military transport plane damaged in blast near Moscow, Ukraine's intel claims
Key developments on Dec. 20: * Russian An-72 military transport plane damaged in blast near Moscow, Ukraine's intel claims * Fire, casualties reported in Kyiv amid Russian missile attack * Ukraine charges Russian general with killing Reuters employee in Kramatorsk * Russia captures 'Uspenivka pocket,' Ukraine denies reports of failed breakout * Ukraine begins