Three drones were used in residential areas during the Pakistani attack on Iran, Iranian reports said on Thursday. The ISNA news agency reported that 10 Pakistani citizens were killed and four residential buildings were destroyed. Pakistan attacked targets in Iran early on Thursday morning, apparently in retaliation for an earlier attack by Iran on Pakistani territory. The attacks in Sistan and Baluchestan Province were aimed at extremists, the Pakistani Foreign Ministry announced. In a statement, the Pakistani secret service also confirmed the use of drones as well as missiles in the military…