In September, the UAE became the third Arab country to normalise ties with Israel following Egypt in 1979 and Jordan in 1994.
However, its move was quickly followed by Bahrain and Sudan.
The agreements, which have been roundly condemned by the Palestinians, break with years of Arab League policy on the Israeli-Palestinian conflict.
The consensus had been that there should be no relations with Israel until it makes peace with the Palestinians.
Regional heavyweight Saudi Arabia has so far refrained from formalising relations with Israel, but has greenlighted UAE and Bahrain overflights, marking a sign of cooperation with Israel.
Agencies contributed to this report.
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