A suicide bomber kills at least 13 people and injures 19 in Afghanistan's Parwan province. The Taliban claims responsibility.
A U.S. civil contractor is kidnapped by the Taliban in eastern Afghanistan's Khost Province. A Taliban leader who declined to be named tells Reuters they had kidnapped an American in Khost but did not provide further details.
Taliban insurgents kill 13 and injure 55 people in an attack on a police headquarters in Puli Khumri, Afghanistan, using guns and suicide vests. The Taliban's high command recently rejected a ceasefire offer from the Afghan government.
A BBC study finds that, October 2017 lc=y, the Taliban presently maintains control of or has some territorial presence in 70% of Afghanistan, with full control of 14 districts (totaling 4% of the country) and demonstrating an open physical militant presence in 263 others (encompassing the remaining 66% of the group's occupied territory).
A suicide-bomb attack on a joint Afghan-U.S. patrol near Bagram Air Base in Afghanistan's Parwan Province, kills at least six U.S. soldiers and wounds another six. The Taliban's spokesman, Zabiullah Mujahid, claims responsibility for the attack in a message on Twitter.
Taliban forces overrun the Sangin District in Afghanistan's southern Helmand Province following clashes with Afghan security forces which left dozens dead. Taliban militants have reportedly surrounded the local police compound with around 170 officers trapped inside the compound, according to a local official.