In pictures: first US presidential debate

By MSN UK News AP Photo, Charlie Neibergall
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Barack Obama and Mitt Romney take part in first TV clash of the election campaign

President Barack Obama and Republican challenger Mitt Romney have taken part in the first presidential debate of the US election campaign. The pair clashed over taxes, deficits and how to revive the US economy. Mr Obama said Mr Romney wanted to return to the policies that hurt the US economy, while Mr Romney said Mr Obama's policies had failed and America needs a change. Click through for some images from the debate.

AP Photo/Charlie Neibergall
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First Lady Michelle Obama greets Ann Romney before the first debate begins

AP Photo/Charlie Neibergall
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Mitt Romney answers a question as Barack Obama listens

AP Photo/Elise Amendola
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Members of the Massachusetts Young Republicans watch the debate in Boston

AP Photo/Julie Jacobson
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Two viewers watch the debate at a United Steelworkers Union Hall in Nevada

AP Photo, Joseph Kaczmarek
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Harriet Garrett reacts while watching the debate at a restaurant in Philadelphia

AP Photo, Charles Dharapak
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Mitt Romney embraces his granddaughter Chloe at the end of the debate

AP Photo/Charles Dharapak
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The families of Barack Obama and Mitt Romney mingle after the debate