The United States is stepping up pressure on India and Pakistan to avoid conflict in Kashmir after a tourist massacre in an Indian-administered area of the divided territory last week.

Indian Prime Minister Narendra Modi has vowed to pursue the assailants behind last month's attack on tourists in Kashmir to the "ends of the earth". India says two of the three "terrorists" involved in the attack were from arch-enemy Pakistan,

An attack targeting Hindu tourists in Indian Kashmir that killed 26 men has triggered new tensions between India and Pakistan and sparked fears of a conflict, with Pakistan saying it has intelligence suggesting India intends to launch military action.