Rinchen Dorjee and Lhundup from Domda Township in Amdo [Ch:Qinghai] and Kalsang Nyima from Za Sershul County in Kham [Ch: Sichuan] have been arrested for sharing photos, via a WeChat group, of the official event organised by the government of Yushul in eastern to Tibet celebrate the 70th anniversary of the founding of the Yushul Tibetan Autonomous Prefecture.