People gather at the site of bomb blast at a Shi'ite religious centre in Chakwal, about 100 km (60 miles) south of Islamabad, April 5, 2009. A suicide bomber blew himself up at a gathering of minority Shi'ite Muslims in Pakistan on Sunday killing 22 people a day after a deadly suicide attack in the capital, police said. REUTERS/Faisal Mahmood (PAKISTAN POLITICS CONFLICT)