Most U.S. drone strikes in Pakistan attack houses

"Over three-fifths (61%) of all drone strikes in Pakistan targeted domestic buildings, with at least 132 houses destroyed, in more than 380 strikes." "At least 222 civilians are estimated to be among the 1,500 or more people killed in attacks on such buildings." "The Bureau's analysis found that strikes on mosques and madrassas – religious schools – are the deadliest. At least eight strikes have hit such targets, killing over 17 people on average in each attack. At least 99 civilians have reportedly been killed in total."