Thousands of people marched in London and Glasgow on Saturday, demanding the scrapping of Trident and the departure of UK troops from Iraq. Photo by Alfredo Gaitan.
Demonstrators in Trafalgar Square, pictured by Daniel Stevens from London, wanted to get their message to top politicians.
Costumed protesters represented the humour and determination of the marchers, according to Paul Bailey, who took this picture.
Campaigners against the Trident nuclear missile system said the money to replace it could be spent on public services instead. Photo by Paul Bailey.
About 2,000 people joined the anti-war and anti-Trident march in Glasgow's George Square. Photo by Des Loughney.
Greenpeace's banner on the Bin the Bomb anti-Trident rally in Glasgow was photographed by Clare Montgomery.