Tensions continue to mount as India and Pakistan traded accusations and attacks across their frontier in Kashmir overnight.

Pakistan's armed forces launched "multiple attacks" using drones and other munitions along India's entire western border on Thursday night and early Friday, the Indian army said, as conflict between the nuclear-armed neighbours intensified.

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.