Ten jets shot down in ten days: Russia loses air sovereignty - but a mystery remains. According to the Ukrainian military, the Kremlin has already lost two of the $300-range S-200 long-range anti-aircraft missiles.

One consequence: Moscow is trying to “replace its flying early control aircraft with reconnaissance drones,” said Natalia Humenyuk, spokeswoman for Russia's armed forces in the south of the country. The fire brigade authorities in Krasnodar in southwest Russia reported a fire “of around 250 square meters” It was said that “two aircraft” were involved in the incident.