A reward of Rs 2.5 million has been offered by police for any information leading to the arrest of the killers of Pakistan Tehreek-e-Insaf (PTI) leader Zahra Shahid Hussain.
The News quoted DIG Dr Ameer Shaikh, as saying that details of the information provider would be kept secret.
Shaikh further said that four people have been apprehended over suspicion of being involved in the killing of the PTI leader.
Hussain was killed on the eve of re-polls in Karachi's NA constituency.
