RIYADH — Saudi Crown Prince Mohammed bin Salman engaged on Friday in telephone conversations with President Yoon Suk Yeol of South Korea, President Joko Widodo of Indonesia, and General Prayuth Chan-ocha, the Prime Minister and Minister of Defense of Thailand, each separately. During the calls, discussions centered around strengthening and developing the various aspects of Saudi Arabia's relations with each of the three countries. The leaders explored promising opportunities for collaboration across different sectors and took stock of matters of mutual interest.