The US military said, a suicide bomber struck a NATO convoy near the southern Afghan city of Kandahar on Wednesday causing casualties. <br/><br/>The Taliban promptly took responsibility for the attack. A spokesman for the insurgents said the bombing allegedly killed 15 soldiers. A military spokesman, could not immediately say how many casualties there were. In their claim of responsibility, the Taliban also said the attack destroyed two armored tanks. <br/><br/>Kandahar province was the Taliban spiritual heartland and the headquarters of their leadership during the five-year rule of the Taliban, which ended with the US invasion in 2001.