Tehran and Riyadh agreed "to resume diplomatic relations between them and re-open their embassies and missions within a period not exceeding two months", according to a statement issued by Iran, Saudi Arabia and China. Saudi Arabia blamed Iran for missile and drone attacks on the kingdom’s oil facilities in 2019 as well as attacks on tankers in Gulf waters. In Friday's agreement, Saudi Arabia and Iran also agreed to activate a security cooperation agreement signed in 2001, as well as another earlier accord on trade, economy and investment. The agreement was signed by Iran's top security official, Ali Shamkhani, and Saudi Arabia's national security adviser Musaed bin Mohammed Al-Aiban. Saudi Arabia cut ties with Iran in 2016 after its embassy in Tehran was stormed during a dispute between the two countries over Riyadh's execution of a Shi'ite Muslim cleric.

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