Pakistan fortifies Islamabad after U.S., UK, Australia, Saudi and Italy warn of security threat

Islamabad is on alert amid security concerns. This after the U.S., UK, Italy, Australia and Saudi Arabia issued travel advisories to their citizens to stay away from the Marriott Hotel in Pakistan's federal capital amid a threat of a possible terror attack. Islamabad police have erected 25 temporary check posts and issued other directives under their 'special security plan.'