Houthi fighters on Sunday said they used drones and missiles to attack a military base in southern Saudi Arabia as renewed fighting with Yemen’s government forces forced growing numbers of civilians to flee. The attack at the southern Sharurah base targeted “weapons depots and command and control centres that are managing the aggression against our nation and people”, Houthi military spokesman Yahya Saree said on social media. The date of the operation was not specified. Clashes have increased...