Yemen’s Houthis targeted Saudi Arabia on Monday, hours after the rebels accused the kingdom of attacking Sanaa airport — the biggest flare-up in years between the two sides that threatens to upend a frozen conflict. The Saudi-backed Yemeni government claimed responsibility for the attack on the Houthi-held airport, saying it wanted to prevent an Iranian plane from landing. It came after they failed to convince a Houthi delegation that went to Tehran for the late Iranian supreme leader Ali Khamenei’s funeral to board a flight on domestic carrier Yemenia instead. “Air defences dealt with a ballistic missile threat launched by the terrorist Houthi militia towards the southern region,” coalition spokesman Turki al-Maliki said in a social media post. Earlier, Houthi military spokesman Yahya Saree accused Saudi Arabia of “ending the de-escalation phase” and warned that “this aggression will not go unanswered or unpunished”. The latest escalation threatens to unravel a truce that has been holding since 2022 despite ...