Pakistani troops traded machine-gun and artillery fire with insurgents in Bajur killing more than 30 Taliban fighters. The Pakistani military repelled a Taliban assault on a fort in the lawless South Waziristan tribal agency, killing 11 Taliban fighters and wounding up to 20 more. Swiss judicial authorities said they had closed a money-laundering case against presidential candidate Asif Ali Zardari and released $60 million frozen in Swiss accounts over the past decade.