Security forces killed five militants in retaliatory action after militants attacked a checkpost and killed one soldier in the Karakar area of Lower Dir near Pakistan-Afghanistan border late on Wednesday night. Security officials said a group of militants ambushed a checkpost on Wednesday night and killed one soldier. He said the troops killed five militants in retaliatory action. The official further said that the security forces had forced the militants to flee from the area. Local people confirmed the clash, but no further details were available.