Police in Pakistan have arrested the mastermind of the suicide attacks in the capital, Islamabad. Police chief Kalim Imam said Jamshed Alias Tahir had been involved in various terror activities, including the suicide bombing at the World Food Program office in Islamabad in October.<br/>At a news conference, Imam today said Tahir was involved in all the five suicide attacks took place in the capital in the current year. He said police have recovered explosives and suicide jacket from the terrorist. According to the government, Tahir was the head of "Ghazi Brigade" formed after the army carried out three-day operation against the Islamabad's Red Mosque in July 2007.<br/>