Prime Minister Yousuf Raza Gilani along with PPP co-chairperson Asif Ali Zardari visited ISI headquarters here on Friday where they were briefed about security issues. Foreign Minister Shah Mahmood Qurishi and interior ministry advisor Rehman Malik were also accompanied with Prime Minister. Premier Gilani had already visited ISI headquarters few days back.  When asked about Zaradari's visit to ISI headquarters, PPP spokesman Farhatullah Babar said that they would have official briefing there.