As tensions ratcheted up over the last week of fighting, Pakistan did not consider deploying nuclear warheads to strike India, the country’s foreign minister Ishaq Dar told CNN on Monday.

Pakistani officials have said Saturday’s ceasefire with India reestablished deterrence. But New Delhi insists the rules of engagement have irrevocably changed.

Ali Velshi breaks down the long history that led to the most recent conflict between India and Pakistan over Kashmir and explains why a truce may not hold.