Photo: Friendly protest

Published: Sunday, Aug. 19 2007 12:15 a.m. MDT

Lefteris Pitarakis, Associated Press

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A protester, dressed as a clown, hugs a British police officer Saturday during an event outside a weeklong "climate camp" set up by environmentalist groups against a proposed new runway at London's Heathrow airport. Several hundred people are at the camp to protest greenhouse gases released by air travel.

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