New figures show the number of civilians killed or wounded in the Afghan war has increased by 20 percent this year. According to the U.N., militant groups were responsible for killing or injuring over 4,700 civilians during the first 10 months of the year, while Afghan and U.S.-led NATO forces were responsible for the deaths and injuries of 742 civilians. At least 162 people were killed and 120 wounded in U.S. air strikes.