As an aggressive patrolling mode, the Pakistani air force have been seen visibly flying in a number of cities such as Islamabad, Rawalpindi and Lahore on Monday,a source said.

• 作为一项预防措施，巴空军战斗机22日数次飞过伊斯兰堡、拉瓦尔品第、拉哈尔和其它城市上空。