MarkRussian airports cancel nearly 300 flights amid drone attacks on Russia
#Rosaviatsia reported on July 6 that 287 flights had been grounded across 3 major #airports: #Moscow's Sheremetyevo, St. Petersburg’s #Pulkovo, & #Strigino Airport in Nizhny Novgorod
The restrictions follow a wave of closures the previous night, also triggered by drone threats
