Four aircraft from Russia's presidential Special Flight Squadron were forced to circle over Moscow after a Ukrainian drone attack closed the capital's airports, according to flight tracking data.
The planes were returning from Turkmenistan, where President Vladimir Putin had attended a summit. Reports suggest Putin was on board one of the aircraft, although it remains unclear which one.
Airport closures in Moscow
Moscow's airports were closed today as a result of the attack. The disruption left the presidential planes unable to land, trapping officials in the sky.
This is a breaking news story and further details are expected to emerge as the situation develops.
