Mamang Vaiphei hid in the jungle for three nights after a mob attacked his village in Manipur, the remote Indian state where ethnic violence has reportedly killed at least 54 people. About 23,000 people have fled the unrest that erupted last week in the hilly north-east state bordering Myanmar. The latest clashes erupted between the majority Meitei people, who are mostly Hindu and live in and around the state capital, Imphal, and the mainly Christian Kuki tribe of the hills. “The Meitei people first burned down 26 or 27 houses,” said Mamang, a father of five who is now sleeping...