Original sentence: During the late 2010s, tensions rose as Turkish fighter aircraft increased the number of direct armed overflights above inhabited Greek islands such as Chios, Oinousses, Kastellorizo and Agathonisi.In early 2020, several more inhabited Greek islands were reported to be affected, including Leipsoi, Arkoi, Farmakonisi, Makronisi, Kalolimnos, Levitha and Leros.These overflights are perceived in Greece as among the most provocative acts by Turkey, directly challenging Greek territorial sovereignty
Edited sentence: During the late 2010s, Turkey escalated its provocations against Greece's sovereignty with overflights of armed F-16 directly above inhabited Greek islands such as Chios, Oinousses, Kastellorizo and Agathonisi.In early 2020, armed Turkish overflights were recorded directly above several more inhabited Greek islands, including Leipsoi, Arkoi, Farmakonisi, Makronisi, Kalolimnos, Levitha and Leros.These overflights are considered to be one of the most serious of the Turkish provocations, since they pose a challenge to Greece's territorial sovereignty