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.

Poet Zareef Ahmed Zareef has watched India and Pakistan fight for decades over his homeland, the disputed Himalayan region of Kashmir. He was born in 1947, the same year India and Pakistan became independent nations and British colonial rule ended.

India and Pakistan are fueling each other’s extremism without an off-ramp in sight. The conflict between India and Pakistan has just escalated faster than at any previous point since they both acquired nuclear weapons at the end of the 20th century. That may be because the two countries’ regimes have never been more alike.