PESHAWAR: The prime suspect in the murder of Orangi Pilot Project Director Perween Rahman was arrested Thursday during a joint operation conducted by Karachi and Mansehra police in Mansehra.

The suspect Ahmed Khan alias Pappu Kashmiri was arrested in Mansehra, police said.

Police further said that the suspect will be presented before a district and sessions court in Mansehra shortly.

Take a look: Parveen Rehman: a fighter for the poor silenced

Perween Rehman, a media-shy social worker who devoted her life to the development of the impoverished neighbourhoods across the country, was gunned down near her office in Karachi's Orangi Town on March 13, 2013.

The very next day, police killed a Taliban operative named Qari Bilal in an encounter and claimed he was the murderer, resulting in a closure of the case.

Explore: TTP 'commander' Qari Bilal killed in Karachi's Manghopir area

Last year on April 15, the Supreme Court of Pakistan had ordered authorities to conduct a fresh probe into Rehman's murder after a judicial inquiry had revealed that police officers had manipulated the investigation.

Examine: SC orders fresh review of Parveen Rehman murder case