Yet, the danger of nuclear war remains "relatively small" between India and Pakistan, according to Mr Clary. "So long as there is not major ground combat along the border, the dangers of nuclear use remain relatively small and manageable," he said.

Saturday began with the looming specter of full-blown war between India and Pakistan. It ended with an evening ceasefire announcement by President Donald Trump. Here's a look at how events unfolded.

Although the air strikes and artillery fire between India and Pakistan have mostly fallen silent, Pakistan Prime Minister Shehbaz Sharif took aim at his counterpart over the border on Wednesday, accusing Narendra Modi of fanning instability and vowing a harsh response to future attacks.