The first public reactions to the border agreement reflect a deep suspicion of New Delhi’s “cheap tricks” and fear that Beijing is being naive.

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.

India and China have reached an agreement on patrolling their shared Himalayan border, according to the two governments, potentially easing the icy hostility between the Asian giants after a deadly skirmish between their troops four years ago.