India's ruling BJP wins election in a riot-torn region

India's ruling Bharatiya Janata Party on Tuesday won a by-election in a troubled corner of the country, after running a divisive campaign that opponents called a test case for a bigger state election in 2017. Communal tension remains high in Muzaffarnagar in northern Uttar Pradesh, India's most populous state, three years after 65 people were killed in clashes between Hindus and Muslims, the worst bloodletting in the area in decades. Prime Minister Narendra Modi's BJP swept the Muzaffarnagar ele