Nine road workers and a police officer were killed in western Herat province Friday, CNN reported. Insurgents first exchanged fire with officers at a police post and then fired at a tent camp housing construction workers.
Also Friday, three women were killed by a roadside bomb in southern Helmand province. Another roadside bomb in Helmand killed a man, woman and three children.
Fawad Askari, a spokesman for the regional governor in western Farah province, said the suicide bomber struck a civilian hospital in the Farah Rud district Saturday morning.
A United Nations report said civilian deaths in Afghanistan jumped 23 percent in the first half of 2013, driven mostly by increased use of improvised explosive devices.