BEIJING: China heaped praise on Wednesday (Apr 22) on three African countries that refused to let Taiwan President Lai Ching-te's aircraft fly over their territories , forcing him to cancel a trip to Eswatini , while Taipei denounced their "servitude" to Beijing. It is the first instance of a Taiwan president having to cancel a foreign trip due to denial of airspace access, as China steps up efforts to stifle the island's attempts at building diplomatic ties. Lai had been due to leave for the