Pema Tseden, 47, a leading Tibetan filmmaker, was arrested at Qinghai airport on charges of disturbing public order. He was taken to a detention centre in Xining city and assaulted and interrogated before being taken to a hospital in Xining city for emergency treatment. Tseden rose to fame with his films Old Dog and Tharlo. Tibetans across the world are voicing their concerns on social media platforms. The Film Directors Guild of China has demanded information about his arrest and treatment.