A sweeping cyberattack has forced hundreds of pharmacies across Russia—primarily in Moscow—to shut down, per reports. The breach comes just one day after a massive hack crippled Aeroflot, Russia's largest airline,

The airline canceled 22 flights departing from Moscow's Sheremetyevo Airport and 31 incoming flights operated both independently and jointly with its subsidiary Rossiya Airlines, pro-government news agency Interfax said.

Russian prosecutor said it opened a criminal investigation into the cyberattack targeting Aeroflot, the largest airline in Russia.