Are we on the brink of nuclear Armageddon? Conflict over the disputed region of Kashmir risks an escalating war that many fear could destroy humanity.
‘Act of war’ as India strikes Pakistan

Glossary
British India - The Indian subcontinent during the colonial rule of the British Crown, lasting from 1858 to 1947.
Disputed - Argued about.
Retaliation - Counter-attack.
Tributaries - Streams feeding larger rivers or lakes.