Justice, Constitutional Affairs and National Cohesion minister Martha Karua has accused the police of killing innocent people under the pretext that they are criminals.The minister said innocent Kenyans are being killed by police, who are supposed to protect them.“Many families are now living in fear. We need to get to the bottom of the matter. As a government and police we have failed to respond,” Ms Karua told the Sunday Nation by phone on Sunday.She was speaking ahead of the Saturday's burial of James Ng’anga, a son of former Gatundu MP Patrick Muiruri. Mr Ngang’a was buried at his father’s farm in Gatundu.He was killed near Sarit Centre in Nairobi two weeks ago. A police officer has since been charged with the killing.The minister said there was an urgent need to reform the police and weed out rogue elements. Elsewhere, assistant minister Asman Kamama has accused police of harassing members of the Pokot community conducting business in Samburu and Laikipia districts.He claimed that security officers working along the Maralal-Rumuruti border were harassing Pokots without valid reasons.AttackedThe Baringo East MP demanded a thorough investigation into a recent incident in which people on a tour with Security minister George Saitoti were allegedly attacked by bandits in the area.Mr Kamama alleged that the incident was stage-managed to implicate and punish members of the Pokot community.Prof Saitoti and a team of top police and provincial administration personnel from Nairobi and Rift Valley toured the area three weeks ago to assess the security situation.It later emerged that the entourage was attacked and the provincial Administration Police commander injured.“The security intelligence should fully investigate the incident and come out with facts of what happened,” said Mr Kamama.He spoke as leaders from the community said they would continue to fight for the rights of the Pokot despite the challenges involved.“We are the leaders and will not be intimidated in the fight for our peoples’ rights,” he said.He said leaders from neighbouring communities should be sincere in fighting insecurity and lead from the front.He also told leaders who have been involved in corrupt deals to step aside.