Blast near FC check post in Islamabad, casualties feared Updated at: 1959 PST, Saturday, April 04, 2009 ISLAMABAD: A blast has occurred near check post of Frontier Corps (FC) in Jinnah Super Market, Islamabad on Saturday, Geo News reported. Four to five people are reports injured in the blast which was followed by an exchange of fire between security men and unidentified attackers. The incident has set off panic among residents.