Saudi Arabia and Russia have signed an agreement to promote military co-operation between the two countries. The kingdom's Deputy Defence Minister, Prince Khalid bin Salman, said he "discussed our common endeavour to preserve stability and security in the region, and reviewed shared challenges facing our countries” with Russian Defence Minister Sergey Shoygu. <br/> Prince Khalid is in Moscow to attend the International Military-Technical Forum, which runs until Saturday. The forum is being held at the Patriot Congress and Exhibition Centre in the town of Kubinka. Separately, <a href="https://www.thenationalnews.com/gulf-news/2021/08/19/saudi-and-us-officials-discuss-situation-in-afghanistan/">Saudi</a> Foreign Minister Prince Faisal bin Farhan and his Pakistani counterpart Shah Mahmood Qureshi held discussions on Monday on developments in <a href="https://www.thenationalnews.com/world/asia/2021/08/15/afghanistan-live-updates-taliban-kabul/">Afghanistan</a>. In a telephone conversation, they reviewed the strategic relations between both countries, according to the kingdom’s foreign ministry. On Sunday, Saudi Arabia invited the <a href="https://www.thenationalnews.com/gulf-news/2021/08/22/organisation-of-islamic-co-operation-calls-for-urgent-assistance-for-afghanistan/">Organisation of Islamic Co-operation</a>, a body of 57 member countries, to meet and discuss developments in Afghanistan amid efforts to find solutions that foster peace and stability in the country. The OIC condemned violence in Afghanistan and implored officials there to engage in dialogue to resolve political issues. <br/>