KARACHI - Interior Minister Rehman Malik called on President Asif Ali Zardari in Bilawal House here in the wee hours of Saturday. Presidents Spokesperson Farhatullah Babar said that Rehman Malik briefed the President on the ongoing drive against lawless elements and extortionists in Karachi as well about progress in investigations in the attack on the pilgrims bus on way to Iran from Mastung, Balochistan. The President directed that in future every public transport carrying pilgrims to Iran must be accompanied with elaborate security detail. He said that strict action must be taken against officials contravening this order.