Sheikh Mohammed bin Rashid, the Vice President and Ruler of Dubai, arrived in Saudi Arabia on Saturday, ahead of leading the country's delegation to the 29th Arab League Summit.
The summit begins on Sunday in the East coast city of Dammam.
Sheikh Mohammed is accompanied by Sheikh Mansour bin Zayed, Deputy Prime Minister and Minister of Presidential Affairs; Sheikh Abdullah bin Zayed, Minister of Foreign Affairs and International Co-operation; Mohammad Al Gergawi, Minister of Cabinet Affairs and The Future; Sultan Al Mansouri, Minister of Economy; Dr Anwar Gargash, Minister of State for Foreign Affairs; Reem Al Hashimy, Minister of State for International Co-operation; Sheikh Shakhbout bin Nahyan, UAE Ambassador to Saudi Arabia; Khalifa Sulaiman, Director General of Dubai Protocol and Hospitality Department; and Juma Al Junaibi, UAE Permanent Representative at the Arab League.
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Foreign ministers of the 22 countries descended on the kingdom last week ahead of the summit on Sunday, which aims to tackle the Yemeni civil war, Iran's interference in Arab states and the situation in Libya.
During the preparatory meeting on Thursday, Saudi Arabia said the Palestinian conflict would top the summit's agenda, though it is likely that airstrikes on Syria from the US, UK and France will now result in a shift in priorities.
On Saturday morning, the three countries launched a co-ordinated attack on Damascus in response to the use of chemical weapons in rebel-held Douma a week ago.
Missiles targeted a research centre, two chemical weapons facilities and an Assad regime command centre.
Live updates: US starts air strikes in Syria in response to chemical weapons attack
After a week of deliberations, US President Donald Trump made a televised statement from the White House ordering "precision strikes on targets associated with the chemical weapons capabilities of Syrian dictator Bashar Al Assad".