KOHAT: The police arrested four persons on killing of a woman in Ustarzai area on Monday, an official said. Talking to reporters, District Police Officer (DPO) Javed Iqbal said that acting on a tip-off regarding the presence of killers of human right activist Hina Shah Nawaz, the police raided a house in the limits of the Ustarzai Police Station and arrested Zulfiqar and his three accomplices whose names could not be ascertained. “Zulfiqar is the relative of Hina Shah Nawaz who had forbid her from doing her job,” the official said, adding that the accused had shot her dead at her house 11 days back. The police had registered the case against the accused and had started raids for their arrest. The accused were shifted to police station where investigation was underway. Weapons: Karak Police has claimed to have arrested 19 proclaimed offenders including a ringleader and also recovered weapons from their possessions. Police press release informed here on Monday that during strike and search operation Karak Police arrested 19 POs and also their ringleader identified as Rasheed Khan and added that police also recovered 1 Kalashnikov, 2 repeater, 2 Pistols and hundreds of cartridges from their possessions. It was informed that they were wanted to police in murders, Kidnappings and other heinous crimes. The press release further informed that police also arrested three drug peddlers and recovered 1030 gram hashish and 195 gram heroin from them. Police registered FIRs against them and started investigations. Meanwhile DPO Karak Mian Naseeb Jan issued high alert in the day across the district to cope with any eventuality. He asked the private schools owners to beef up their security.