PESHAWAR- A blast occurred outside the house of a local businessman in Tauheed Abad area today morning, causing partial damage to the boundary-wall and a nearby building. According to police, unknown miscreants had planted explosive material alongside the boundary-wall of the house of a local businessman named Sakhi Nawroz in Tauheed Abad area. As a result of the blast, police said partial damage was caused to the house boundary-wall and nearby building. Police have registered a case and started investigation.