Tensions between the Asian powers had flared in recent years following a border clash that left at least two dozen soldiers dead.

Tens of thousands of troops from China and India have been involved in a tense stand-off for years high in the Himalayas, but a new deal raises the prospect of a peaceful future.

India and China have reached an agreement on military disengagement along their disputed border, New Delhi said, a step toward reducing frictions between the nuclear-armed neighbors that comes as both countries’ leaders arrive in Russia for a summit.