The terror attack at Karachi Police Headquarters was caused due to security lapses, reported Geo News. Karachi Police Office (KPO) — a centrally located building on the city’s main artery — came under a terrorist attack on Friday by the banned outfit Teheek-e-Taliban Pakistan (TTP). According to Geo News, there is no security gate to enter Police Lines Saddar where families of policemen reside. Watch this video for more.