Mohammed bin Salman, Saudi Arabia’’s crown prince, on Friday defended China’s use of concentration camps for Muslims, saying it was Beijing’s “right”. "China has the right to carry out anti-terrorism and de-extremisation work for its national security,” Prince Mohammed, who has been in China signing multi-million trade deals much to the annoyance of his Western allies, was quoted as saying on Chinese state television. Xi Jinping, China’s leader, told the crown prince the two countries must strengthen international cooperation on de-radicalisation to “prevent the infiltration and spread of extremist thinking”. China has detained an estimated one million Uighur Muslims in concentration camps, where they are undergoing re-education programmes allegedly intended to combat extremism. The Uighur are an ethnic Turkic group that practices Islam and lives in Western China and parts of Central Asia. Beijing has accused the minority in its Western Xinjiang region of supporting terrorism and