NEW DELHI — A deadly attack on tourists in Indian-controlled Kashmir has again moved India and Pakistan closer to war as the two rivals downgraded diplomatic and trade ties, closed the main border crossing and revoked visas for each other’s nationals.

NEW DELHI -- A deadly attack on tourists in Indian-controlled Kashmir has again moved India and Pakistan closer to war as the two rivals downgraded diplomatic and trade ties, closed the main border crossing and revoked visas for each other’s nationals.

Here are five reasons why a flare-up between India and Pakistan matters: Under intense domestic pressure, India has hinted at the possibility of a limited military strike on Pakistan in response to what it called the “terror attack” with “cross-border links.” Pakistan made it clear that it will respond militarily to an attack.