India and Pakistan are scrambling resources both military and diplomatic to respond to a crisis triggered by a massacre in Indian-controlled Kashmir that has heightened fears of a conflict between the nuclear-armed rivals.

The April 22 terrorist attack in Kashmir inflamed a long-simmering conflict that could boil over into military confrontation.

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.