Protests at the Republican national convention - in pictures

People stand on the main stage at the Tampa Bay Times forum on the first day of the Republican national convention in Tampa, Florida. The RNC was scheduled to convene on Monday, but will hold its first full session on Tuesday after being delayed due to tropical storm Isaac Photograph: Mark Wilson/Getty Images

Law enforcement officers take their positions before demonstrations in Tampa Photograph: Tom Pennington/Getty Images

Protesters march with anti-GOP placards Photograph: Edmund D. Fountain/ZUMA Press/Corbis

Winnie Foster of St Petersburg carries an anti-Republican banner on her mobility scooter during a march from Mirror Lake to the Republican national convention's official welcome party at Tropicana Field Photograph: Melissa Lyttle/ZUMA Press/Corbis

Protesters link arms and shout slogans during the demonstration Photograph: Patrick Semansky/AP

Undeterred by the impending threat of a hurricane, Veronica Jackson of Cincinnati leads chants with a microphone while Cara Jennings of West Palm Beach holds the megaphone for her. ''We are the 99%,'' said Jackson. ''The one percent is making all the money and taking all the breaks. That's what we're fighting against.'' Photograph: Melissa Lyttle/ZUMA Press/Corbis

Reince Priebus, chairman of the Republican national committee, calls to order the first session of the convention Photograph: J. Scott Applewhite/AP

David Ashworth and Greg Stemm carry a symbolic coffin during the march Photograph: Melissa Lyttle/ZUMA Press/Corbis

A protester is detained at the march Photograph: Tom Pennington/Getty Images

A protester dsiplays his dislike for a group of National Guard troops as he and other protesters walk through the streets Photograph: Joe Raedle/Getty Images

Protesters form a line and march with a banner decorated with anti-Republican slogans Photograph: Philip Andrews/Reuters

As the sky darkens, Lynne David fights to save a rather emphatic umbrella from the wind Photograph: Joe Raedle/Getty Images