The head of the World Health Organization said on Friday he was not sure he was going to survive an air strike on Yemen's main airport carried out by Israel a day earlier during a series of attacks on the Iran-aligned Houthi movement.

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

Tedros Adhanom Ghebreyesus says blasts that rocked building were so deafening that his ears were still ringing more than a day later