Two terrorists were arrested on Sunday as police tightened security in the Capital after the recent wave of terrorist attacks in the country. Shahzad Town police claimed to have arrested a suspected terrorist and recovered a kilogramme of explosives and ammunition from him. A spokesman for Islamabad police told Daily Times that police had arrested Hafiz Umar Farooq (22), a resident of Faisalabad who had allegedly come to the capital to carry out a terrorist attack. Separately, one of the masterminds of the International Islamic University Islamabad bombing, identified only as Zahid, has been arrested from Attock, police say.