Security tightened at schools in western China

TONGREN, China — Security was tightened Monday at schools in western China following demonstrations last week by students who marched to protest reported plans to impose Chinese as the main language of instruction.
Police and plainclothes security officials were stationed at several minority middle schools and high schools in the town of Tongren in Qinghai province, which is home to numerous ethnic minority groups, including Tibetans and Mongolians. Security personnel prevented reporters from entering schools and talking with teachers and students there.