evidence: At least 150 people have been killed since May in ethnic violence in Manipur, a remote state in northeast India with a history of tensions between tribal groups. [...] Protesters set fire to vehicles and buildings, and Meitei mobs armed with guns and petrol cans then attacked Kuki-Zo settlements in the hills. [...] Clashes have killed at least 150 people, though many in Manipur believe the number could be higher.