Russian forces accidentally shot down their own Su-27 fighter jet over occupied Crimea due to “heightened combat readiness,” Ukraine’s Navy spokesperson Dmytro Pletenchuk said on air on March 29. Russian occupation authorities in Sevastopol reported on March 28 that a Russian warplane “crashed” off the Crimean coastwithout naming the cause of the incident. The pilot ejected safely and was picked up by rescue services, according to the Russian-installed head of Sevastopol, Mikhail Razvozhayev. Several Telegram channels claimed that the aircraft was downed by Russian air defenses after it took o…