Russian combat drones have once again flown over Ukraine into the airspace of Moscow’s ally Belarus, the Ukrainian Air Force reported on Tuesday. It recorded the fourth such incident since June 11. Overnight, two of four attacking Russian drones of the Iranian type Shahed were shot down. The military reported that the other two drones “lost their location over Belarusian airspace.” The well-sourced Belarusian military blog Hajun-Projekt also reported on the incidents. The fourth stray drone was observed over Belarus for around two hours in the morning. It had travelled around 300 kilometres in…