Saudi-led coalition airstrikes have resumed in Yemen, after a five-day humanitarian ceasefire ended. Yemen's political and tribal figures have been meeting in the Saudi capital to discuss the conflict - but the Houthi rebels didn't take part.
Citizens of the six Gulf wealthy countries - Saudi Arabia, Kuwait, Qatar, Oman, Bahrain and the United Arab Emirates - are eligible to buy units in the tower, but other potential investors will require government approval.
Dozens of Arab special forces soldiers arrived in the Yemeni port city of Aden on Sunday to bolster the anti-Houthi forces amid a fierce offensive by the Shia rebels and their allies, sources told Al Jazeera.
Saudi Arabia's King Salman has named his powerful interior minister as heir in a major reshuffle that also saw the world's longest-serving foreign minister replaced. David Hearst, the editor of Middle East Eye, analyses the significance of the move.
After almost a month of airstrikes, Saudi Arabia has announced an end to its military campaign in Yemen. Riyadh claims nearly all of the military capabilities of Houthi rebels, allied with Iran, have been destroyed.