Mariah Carey to perform a free concert in Dubai this October.

Abu Dhabi Police are conducting a two-day drill in the Barakah Plant area, involving sirens and military vehicles.

Dubai government employees will be granted paid leave of up to six days to enable them and their families to visit the mega event.

His Highness Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum, Dubai's Crown Prince and Chairman of the Executive Council has toured the Expo 2020 site, days ahead of its opening.