Analysis: Crisis may be easing, but nuclear threat still hangs over India and Pakistan

While the situation has calmed — Pakistan on Friday released an Indian air force pilot it captured after shooting his pane down — drastic swings in relations are the norm. Both countries know the risks when tensions spike.

Following their separation in 1947, relations between India and Pakistan have been in a near constant state of agitation. The two sides have fought several major wars — the last being in 1999 — involving thousands of casualties and numerous skirmishes across the Line of Control in the contested Kashmir region.