Why did India attack Pakistan? Are the two nuclear armed countries at war? US warns Americans to leave areas of conflict. Here's what we know so far.

India and Pakistan have fought three full-scale wars since they gained independence from British India in 1947. They’ve also had dozens of skirmishes and conflicts.

The escalating conflict between India and Pakistan, two neighbors who have been rivals for decades, erupted in the early hours of Wednesday morning when New Delhi launched missiles across the border.