Blue Peter presenter Helen Skelton walking a tightrope between the chimneys of Battersea Power Station
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Blue Peter's Helen Skelton in Comic Relief tightrope walk

28 February 2011 Last updated at 16:19 GMT

Blue Peter presenter Helen Skelton has walked a tightrope 66m (216ft) high between the chimneys of Battersea Power Station in aid of Comic Relief.

The 27-year-old BBC children's presenter covered the 150m (492ft) stretch on a high-wire above the south London building in just 11 minutes.

The challenge had been delayed by 40 minutes because of high winds.