Israeli air strikes hit rebel-held Sanaa's international airport and other targets in Yemen on Thursday as the head of the UN's World Health Organization said he and his team prepared to fly out.Yemen's civil aviation authority said the airport planned to reopen on Friday after the strikes that it said occurred while the UN aircraft "was getting ready for its scheduled flight".

Israeli forces unleashed a series of deadly strikes on the Yemeni capital Sanaa and the western city of Hodeidah on Thursday, according to Houthi-run media, killing at least four people and injuring more than a dozen others.

Israeli air strikes pummelled Sanaa's international airport and other targets in Yemen on Thursday, with Huthi rebel media reporting six deaths.