Greek Prime Minister Kyriakos Mitsotakis called on Turkey on Thursday to stop violating Greek airspace with fighter jets, a behaviour which he said undermines the unity of NATO at a crucial time following Russia’s invasion of Ukraine. A day earlier, the Greek foreign ministry protested to the Turkish Ambassador in Athens over a series of Turkish overflights in the Aegean Sea, saying they were unlawful and an “unacceptable provocation”. Mitsotakis said he had informed NATO Secretary-General Jens Stoltenberg on the issue. “I made it clear to the Secretary General that this type of behaviour by a…