Cindy Sheehan, the anti-war protester and mother of a US soldier killed in Iraq, has been arrested during a demonstration outside the White House.
Protesters held placards with the names of US soldiers killed in Iraq
Ms Sheehan and several dozen other protesters were held by police after failing to move on from the pavement in Washington DC.
She first attracted worldwide attention when she held a 26-day vigil outside President George Bush's Texas ranch.
Her arrest follows a massive anti-war march in the capital over the weekend.
Ms Sheehan was among a group of about 500 people who staged what they called a "civil disobedience" demonstration to bring more attention to the US military presence in Iraq.
The pavement outside the White House is a restricted area, where people by law must keep moving.
The mother's Texas vigil, prompted by her eldest son's death in action in Iraq in 2004, has made her a figurehead for the anti-war movement in the US.