Oman's Sultan Qaboos bin Said died on Friday evening, state media said early on Saturday, and a three-day period of national mourning was declared.
Omanis took to social media channels such as Twitter and Instagram to share the news and condolences. Many said that the exemplary leader will be missed.
Tweep @AlbaloushiAmna posted: "Goodbye Baba Qaboos, we will miss you so much.
May his soul Rest In Peace in Paradise #QaboosbinSaid."
Tweep @ShayanSumar posted: "Fortunate to have lived in this beautiful country during three decades of your leadership. You leave behind a tolerant, moderate, progressive, and a united nation. Rest well Baba #Qaboos - you will forever be our Sultan."
Many considered Sultan Qaboos as the father of modern Oman and a visionary. They thanked him for the development of Oman. It was under his leadership that the country got many new schools and hospitals.
@OliaPayrow tweeted: "Sultan Qaboos who built modern Oman a real hero..."
Many others called him a peace-loving leader and praised the efforts he took to promote peace and stability not just in Oman but in the entire region.
Tweep @Nouriya_H posted: "Sultan #Qaboos will always be remembered for his efforts for stability and peace in the Middle East. My heart goes out to my fellow #Omani brethren. May Allah grant him the highest rank in Jannah."