In 1965, the province of Dhofar revolted, this time with the support of the People's Republic of China and some of the nationalist Arab states, followed by an assassination attempt in 1966. It had a marked effect on Said, causing him to become even more erratic in governing the country. It was forbidden to smoke in public, to play football, to wear sunglasses or to speak to anyone for more than 15 minutes. No one was safe from the sultan's paranoia, not even his own son, Qaboos, who was kept under virtual house arrest at the Sultan's palace in Salalah.