India, Feb. 27 -- Fresh airstrikes, cross-border raids and direct war-like warnings have pushed Pakistan and Afghanistan into their most serious confrontation in years. Fighter jets struck major Afghan cities, including Kabul and Kandahar, after Taliban forces launched attacks along the Durand Line.

Leaders from both countries now openly describe the situation as an "open war." The fighting follows months of rising tensions, failed ceasefires and growing militant violence.

Pakistan-Afghanistan War: Why Is It Happening? The crisis centres on security accusations and militant violence along the disputed Durand Line border. Pakistan accuses Afghanistan's Taliban government of allowing the Tehreek-e-Taliban Pakistan (TTP) to operate from Af...