Countries without formal extradition agreements can still opt to extradite individuals, but they make such decisions on a case-by-case basis rather than being bound by treaty obligations. . Acting on a U.S. extradition request, British authorities arrested the WikiLeaks founder after he was evicted from the Ecuadorian embassy Durante London https://englishspeakinglawyer.com/armenia-south-africans-citizens-arrested-overseas.html