ISLAMABAD, March 20 -- Information Minister Fawad Chaudhry Wednesday asked Pakistan People's Party (PPP) leadership to apologise over the incident of attack by its party workers on policemen and media during their appearance before the National Accountability Bureau (NAB) investigation team.

In a statement, the minister said four policemen and reportedly two cameramen were injured as a result of attack by the PPP workers. He said PPP Chairman Bilawal Bhutto Zardari and Asif Ali Zardari were called for investigation by NAB. On the occasion, about 500 workers of PPP gathered and a few dozen of them attacked police which is unfortunate, he added. "You want to say as to how anybody dared to summon you for investigation and then you call your...