Imaan Mazari was arrested in a case registered in Bara Kahu police station in the federal capital. Islamabad police took the human rights activist into custody.
Renowned for his skill and charisma on the field, Rauf has garnered a strong fan following throughout his career, playing a pivotal role in Pakistan's victories.
Lawyer Imaan Mazari-Hazir and politician Ali Wazir were arrested under anti-terror laws last week after appearing at a protest by the Pashtun Tahafuz Movement (PTM), which fights for the rights of ethnic Pashtuns.
Police registered an "abetment to murder" case against former cricket hero Khan, 70, who faces dozens of charges since his ouster in a parliamentary vote of confidence in April last year.
