India accused Islamabad of supporting "cross-border terrorism." Pakistan has denied the accusation and a previously unknown militant group calling itself Kashmir Resistance has claimed responsibility for the attack.

Relations between India and Pakistan are cratering following a deadly attack in the disputed Himalayan region of Jammu and Kashmir that left more than two dozen tourists dead, raising fears of military escalation between the nuclear-armed rivals.

The death toll from a suspected militant attack in India's Jammu and Kashmir territory has risen to 26, according to the Reuters news agency, citing local police. Prime Minister Narendra Modi, who was on a two-day visit to Saudi Arabia, has cut short his trip and returned to India