PESHAWAR (APP) - Six persons have been killed and two others injured during a bloody shootout between rival groups in Hangu district on Tuesday, police said. The gory incident occurred when Bangash group came face to face with Wazir group at Zargondai area in the limits of Doaba police station and started indiscriminate firing at each others. Both side used automatic weaponry that left three persons dead from each group. The reason behind the incident could not be immediately ascertained. The district police rushed to the spot and cordoned off the area.