New Delhi, April 25 -- Pakistan on Thursday closed its airspace to Indian airlines, suspended all trade with India, including through third-party countries, and threatened to suspend bilateral pacts such as the Simla Agreement in response to a slew of punitive measures announced by New Delhi over the Pahalgam terror attack that killed 26 people.

Pakistan's deputy prime minister Ishaq Dar rejected India's decision to suspend the Indus Waters Treaty of 1960 and told a media briefing that any stopping of river waters "will be tantamount to an act of war". "Any encroachment, suspension or stopping of water will not be acceptable. We are prepared for any action, including keeping in abeyance bilateral treaties like the Simla Agreement," he sa...