What is the Durand Line — and why is the British-era border at the heart of the Pakistan–Afghanistan conflict?
Pakistan carried out airstrikes in Kabul and two other Afghan provinces early Friday, Afghanistan’s government spokesperson said, hours after Afghanistan launched a cross-border attack on Pakistan in the latest escalation of violence between the neighboring countries that made a Qatar-mediated ceasefire appear increasingly shaky, news agency AP said. At least three explosions were heard in…