Following Tuesday's massacre of 26 mostly Indian tourists, hostilities have intensified between India and Pakistan over the hotly contested Kashmir region.

NEW DELHI -Troops from Pakistan and India exchanged fire in disputed Kashmir for a third night in a row, officials said Sunday, as relations between the nuclear-armed rivals plunged to their lowest level in years.

The April 22 attack in India's Jammu and Kashmir territory was the deadliest on civilians in nearly two decades in the country.But the area has long been a source of tension between India and Pakistan.