DUBAI: The US has accused Yemen’s Houthis of triggering the latest escalation in violence in the country, as renewed fighting threatened to unravel years of relative calm and draw it deeper into the wider regional conflict. The US Embassy in Yemen said on Wednesday that the Iran-backed group had brought “nothing but suffering” and accused it of turning Yemen into a base for Iran to “undermine Arab unity and security.” “The terrorist Houthis and their Iranian backers miscalculated by underestimat