"Due to the difficult weather conditions - crosswind and strong snowstorms - four aircraft went to alternate aerodromes," - leads RIA News message.
It is clarified that at present the equipment cleans runways, taxiways and aprons from snow.
As noted, Pulkovo Airport is operating normally and is ready to receive and send aircraft.
Earlier in the Leningrad region warned about the deterioration of weather conditions at the weekend. This was reported by kp.ru.