At least three people have been killed and six injured after blast during the Friday prayers at Pakistans in explosion at Khyber Pakhtunkhwa mosque. According to the information, almost 30-40 people were present at the spot during the incident.The explosion took place at the mosque in Hangu district, Doaba Police Station SHO Shahraz Khan informed. Police suspect this a suicide attack.It is to be noted here that the report of the second blast came just after few hours of blast in Mustang district of Balochistan province, which has taken 52 lives so far.District Health Officer (DHO) Abdul Rasheed Shahi has confirmed the casualties. City Station House Officer (SHO) Mohammad Javed Lehri said a police official was among the casualties, according to a report by the Pakistan-based daily.