
At least 80 people have been killed and dozens wounded by a large blast in a market in Peshawar, Pakistan.Buildings were set on fire after the blast and plumes of smoke were seen drifting over the city.More than 200 people have been killed by such attacks in recent weeks as the army carries out an operation against Taliban militants in South Waziristan.The blast comes as US Secretary of State Hillary Clinton begins a visit to the Pakistani capital, Islamabad.
