The attack, in a picturesque district of India, was the worst assault against civilians in the restive region in years, its leader said.

India's Prime Minister Narendra Modi says the gunmen behind a terrorist attack on tourists in the Kashmir region "will not be spared!"

A group of gunmen shot and killed at least 26 domestic tourists and others and wounded many in the Baisaran Valley tourist town of Pahalgam, Kashmir, on Tuesday morning.