Yemen’s Houthi rebels were driven out of a key district by the United Arab Emirates-trained Giants Brigade, the militia said Tuesday, a day after the insurgents’ latest missile attack on Abu Dhabi. The Iran-backed Houthis lost Harib district south of Marib, the strategically vital northern city they have been fighting to topple for months. The Giants Brigade said “hundreds were killed and wounded on both sides” in battles that lasted for more than two weeks and also secured the neighbouring governorate of Shabwa. There was no immediate comment from the Houthis. “We thank the Arab coalition for…