Key developments on July 16: Ukraine hits Russian S-300 system in Donetsk Oblast, Syrskyi saysDrone drops munitions on factory in Russia’s Kursk Oblast, authorities sayCzechia to open bullet factory, start production of assault rifles in UkraineDefense company’s production blocked by Bureau of Economic Security’s investigationTwo more Russian kamikaze drones enter Belarusian airspaceThe Ukrainian military attacked a Russian S-300 anti-aircraft missile system on the occupied territory of Donetsk Oblast overnight on July 16, Ukraine’s Commander-in-Chief Oleksandr Syrskyi said. Russian troops are…