India’s Prime Minister Narendra Modi has opened one of the country’s most ambitious railway projects, which will connect the Kashmir Valley to the vast Indian plains by train for the first time.

(CNN) — An Indian railway security officer opened fire on a moving train in the country’s western Maharashtra state on Monday, killing four people, according to a spokesperson for the Western Railway.

India’s federal crime agency said Friday it has arrested three railway officials in connection with one of the country’s deadliest train accidents, which killed more than 290 people last month. The ...