US election: Rivals eye the prize in Pennsylvania

6 November 2012 Last updated at 02:19 ET Help

As the US election race enters its final hours, analysts say the winner will be decided in just a handful of key swing states.

Pennsylvania is one of the key battlegrounds where Barack Obama and Mitt Romney both hope they can have the edge, as David Botti explains.

For in depth coverage as the US goes to the polls: BBC US election special report

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