The deputy head of civil aviation, Raed Talib Jabal, said the coalition's refusal to allow Sunday's flight was"a violation of the truce."
Authorities in Sanaa also accused the coalition of trying to keep Yemeni civilians "in a large prison", and said the denial of permits was a "violation" of a fragile truce. "This would have been a first small but important step towards long-lasting stability in Yemen. It is also a life-saver for tens of thousands of medical patients who desperately need urgent treatment abroad," said Erin Hutchinson, the aid group's Yemen country director.
Yemen's Information Minister Moammar al Eryani said the Houthis were responsible for the flight being scrapped, Yemen's official Saba news agency reported.
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