Unidentified men bombed the house of a deputy superintendent police (DSP) in Bannu on Thursday. However, no loss of life was reported. The men had planted explosive material outside the house of Saddar DSP Gul Naseeb in Kalakhel area of Bannu district. A portion of the house was damaged in the blast but all the residents remained safe. A surge in militant attacks on security forces has been witnessed and four policemen, including an SHO were killed in firing on police mobile on Wednesday.