Dozens of people have been killed in northern Nigeria in what is believed to be clashes between rival ethnic groups. The region has seen months of violence over farmland. A large gang of gunmen on motorcycles swept through villages in Nigeria’s northern Katsina state, about 400 kilometers (248 miles) north of the capital, Abuja. The exact death toll is unclear, with police putting it at 40, while survivors have said it reaches beyond 100. The […]