The Sochi-Yerevan flight is unable to take off due to engine failure of two planes, according to SHOT. Initially, this flight was scheduled to depart from Sochi, Russia, for the Armenian capital at 6:30am, but the Rossiya Airlines plane—to conduct this flight—had an engine failure. So, the flight was delayed, and a replacement plane was supposed to carry out this flight. But this plane also was unable to take off due to engine failure. As a result, the flight was delayed again. The passengers