RAWALPINDI: As many as 3 dacoits have been killed and two have fled the scene in exchange of fire in the area of Pir Wadhai here.According to police the incident took place in Fouji colony Pirwadhai where the robbers gang opened fire on police.In exchange of fire 3 dacoits were killed while arms were recovered from them.Police said two dacoits escaped to Nullah Leh while firing. Search operation is underway to trace them.Rawalpindi police had conducted raid to arrest robbers gang and the dacoits opened fire on police during raid.