Yemen's former president, Ali Abdullah Saleh, has formally announced an alliance with Houthi fighters for the first time, after the Arab coalition launched two air strikes on his home in the capital, Sanaa.
Saleh, who was forced to step aside in 2012 following a year of deadly nationwide protests against his three-decade rule, escaped unharmed after the attacks early on Sunday.
He was not at home during the bombing, which killed three guards and destroyed three buildings.
Saleh, who was accused of siding with Houthi fighters who toppled UN-backed President Abd-Rabbu Mansour Hadi in February, was later defiant against the Arab coalition.
"You should continue carrying your arms, ready to sacrifice your lives in defence against these beligerent attacks," Saleh said, addressing Houthis after the attack.
Saudi Arabia offers ceasefire to Yemen's Houthis
"I can describe this aggression as an act of cowardice.
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