German Chancellor Angela Merkel
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Countdown to German election

18 September 2013 Last updated at 23:25 BST

Chancellor Angela Merkel's campaign has warned that the result of Germany's upcoming parliamentary election will be closer than predicted, four days before voters head to the ballot box.

Mrs Merkel is still favourite to win but the gap has narrowed, according to opinion polls.

Gavin Hewitt has been on the campaign trail in Germany.