China Clamps Down on Inner Mongolians Protesting Mandarin-Language Rules

HONG KONG—Chinese authorities are searching for protesters in Inner Mongolia after a new policy aimed at pushing Mandarin-language education across the region sparked widespread unrest among the country’s ethnic Mongolians, with many angered by what they saw as a move to erase their culture.

Thousands of students in Inner Mongolia have taken to the streets during the past week to rally against the government’s three-year plan to push Mandarin-language education across the northern region and phase out local history, literature…