Key developments on March 20: Military: Situation near Robotyne ‘in flux’ but not criticalDrone strikes reportedly hit Russia’s Engels airbase, other locations in Belgorod, Saratov oblastsProsecutor’s Office: Russian officer who shot civilians in Hostomel identifiedLithuania allocates $38 million to buy shells for Ukraine via Czech initiativeRussian attack on Kharkiv kills 5, injures 8.The line of contact near the village of Robotyne in Zaporizhzhia Oblast is “in flux,” but the situation is “not critical” despite Russian assaults in the area, Nataliia Humeniuk, spokesperson of Ukraine’s Southe…