4 injured in Pak blast

At least four persons, including two women, were injured today when a bomb went off inside a house in northwest Pakistan's restive Khyber tribal agency.

The powerful blast occurred in Shah Kas area of Khyber Agency, as a result of which the roof of the house collapsed.

Four persons, including two women, were trapped under the debris, police said.

Local residents rescued them and shifted them to an area hospital.

Security forces have rushed to the site and started an investigation into the incident.