
“Insider attacks” were also promised, in which Afghan Police and soldiers attack their International Security Assistance Force (ISAF) colleagues and trainers.
Similar announcements have been made in previous years, and they have often preceded a surge in violence. In 2012, a broad-scale attack in Kabul culminated in suicide bombings, and an 18-hour string of firefights aimed at Western embassies, ISAF headquarters and the Afghan parliament.
There has been no immediate response from NATO.