PESHAWAR - At least 70 worshippers were killed and over 170 sustained critical injuries when a suicide bomber blew himself up inside a mosque during Juma congregation in Jamrud tehsil, Khyber Agency, political administration sources said on Friday. However, the injured and eyewitnesses of the gory incident doubting the official version of the incident said it was a missile attack because two deafening explosions were heard and then the two-storey building of the mosque completely razed to the ground instantly, which is unlikely to happen by a suicide attack. The mosque, adjacent to Bhaigary Check-Post, is located at an important road that is used to carry supplies for the Nato forces stationed in Afghanistan. Political Agent, Khyber Agency, Tariq Hayat while talking to TheNation said that around 50 persons have been killed and 125 have been injured in the attack. He termed the blast a suicide attack. He also informed that heavy machinery has been called from Peshawar to remove the debris and pull out the dead bodies. But the local residents, when contacted by TheNation via phone, told that around 100 persons have been killed in the incident. They also told that most of the dead bodies have been so badly mutilated that they were beyond recognition. According to them, most of the victims belonged to the surrounding areas while some of them were passengers who had stopped on the road to offer Jumma prayers. Lal Mohammad Shah, an injured man admitted to the Leady Reading Hospital, while talking to media persons said that he had heard two blasts. "I was standing in one of the rows in the congregation and in the mid of the prayer I heard a deafening explosion which was followed by another and that instantly demolished the mosque blowing it into pieces." According to him, the residents of the area immediately reached the place and started rescue operation. The shifted the injured persons to various hospitals in Peshawar like Lady Reading Hospital, Khyber Teaching Hospital and Hayatabad Medical Complex. Official sources informed that over 105 injured persons have been admitted to different hospitals in Peshawar so far. The rescue activities were going on when the report was filed. The local residents were removing the debris to pull out the dead bodies and the injured. No one has claimed responsibility for the attack so far. President Asif Ali Zardari and Prime Minister Yusouf Raza Gilani strongly condemned the suicide attack. In their separate messages, the President and the Prime Minister vowed that the perpetrators of such heinous crime would be brought to justice. They directed the concerned authorities to investigate into the matter. President Zardari and Prime Minister Gilani also condoled with the families of the deceased. ANP President Asfandyar Wali Khan, Provincial President Afrasiab Khattak, Chairman PPP (Sherpao) Aftab Ahmad Khan Sherpao and Provincial President Sikandar Sherpao also condemned the attack.