Social media star Qandeel Baloch, 26, was strangled last July and her brother Muhammad Waseem confessed to the killing.
His case has yet to go to trial in the central city of Multan and police have today arrested a high-profile mullah over his alleged role in the murder. Dailymail reports
Baloch shot to fame for her provocative selfies - tame by Western standards, but which polarised the conservative Muslim country.
Her death reignited calls for against against so-called 'honour killings'.
Prosecutors had been urging the court to also indict the cleric, Mufti Abdul Qavi, and he was arrested on Wednesday.
His phone records showed he had been in touch with Waseem after he was embroiled in controversy with Baloch earlier last year.
He was sacked from his position on a government committee and rebuked by a religious affairs council after Baloch released pictures of herself with him in a hotel room weeks before her murder, wearing his hat and pouting.
She later called Qavi a 'blot on the name of Islam' and accused him of inappropriate behaviour.She said at the time: 'I thought I would expose him as he is in reality. He is a different person alone and different when he has his followers around him.
Prosecutor Ziaur Rehman told the judge that Qavi's phone records showed he had been in contact with Baloch's brother Waseem and cousin Haq Nawaz, accused by police of being an accomplice, before the murder.
On Wednesday a Multan court revoked Qavi's bail and ordered his arrest. Qavi, who has denied any role in the killing, briefly fled the court, but was taken into custody by police later in the day.
Senior police official Fahad Ahmad confirmed the arrest and said that police were investigating Qavi.
