Custodian of the Two Holy Mosques King Salman bin Abdulaziz welcomed on Sunday the leaders and delegations of the Gulf Cooperation Council that have arrived in Riyadh.

He said in a tweet on his personal Twitter account: “I welcome my brothers and friends at the Arab-Islamic-US summit that will have positive repercussions on our region and world.”

The summit will also “strengthen our alliance against extremism and terrorism,” he added.

King Salman made his tweets ahead of the Arab-Islamic-US summit that will be attended by visiting US President Donald Trump and focus on ways to combat terrorism and extremism.