At least 20 people were killed and over 50 injured in a powerful bomb blast near District Police Officers office in Hangu on Thursday. Officials said that a bomb planted near the DPO office went off with a bang that shattered the surrounding areas. They said DCO office and district courts were also located near the area, where the blast took place. Soon after the blast, rescue officials and law enforcement agencies personnel rushed to the spot. The bodies and injured are being shifted to DHQ Hospital.