Explosion is the latest in a series of attacks in the Afghan capital that have been claimed by the Islamic State

In joint statement, countries pledge to 'improve humanitarian and economic conditions for all'; Qatar agrees to represent US interests in Afghanistan

Third attack on mosque in five weeks hits in restive Nangarhar province, birthplace of local IS affiliate; no group takes responsibility

Independent review concludes deadly bombing in final days of Afghanistan war not caused by misconduct or negligence, doesn't recommend disciplinary action

'He has sold me to an old man,' says Parwana, 9, who dreamed of becoming a teacher; over half Afghanistan's population, 22.8 million people, said to face acute food insecurity

But hardline Islamist government says 3 attackers were not acting on its behalf; 2 arrested and will be brought to trial, 3rd suspect on the run

Reclusive Akhundzada addresses his 'brave soldiers and disciples' at Kandahar madrassa; no photos or video of event, but audio recording shared on social media

Fearing for her safety, Tova Moradi, 83, escapes to Albania with family after getting help from IsraAid, office of President Herzog and two Israeli billionaires

Months after Afghanistan takeover, foreign ministers of Pakistan, Uzbekistan, Tajikistan and Turkmenistan gather in Tehran

Pentagon doesn't say how much money to paid, but notes Defense Department also working with State Department to help surviving family members relocate to the US