伦敦二十国集团峰会召开在即，28日上万人走上伦敦街头加入和平游行，要求人人享有体面工作和公共服务，结束全球贫困和不平等，呼吁实现绿色经济。游行者呼吁二十国集团领导人承认，只有公正、公平和可持续的政策才能引领世界走出衰退。游行组织者说，游行是为了让普通公众发出声音，表达对导致贫困和银行家巨额奖金的政策的愤怒，敦促二十国集团领导人解决当今经济衰退，更要保证世界走向公正和环保，而不是回归衰退前的老路。

G20 protest flyers advertising¹ the website of an organisation² that plans protests against the upcoming G20 meeting in London.

Thousands of people have converged⁴ in the center of London for the first major protest ahead of this week's G-20 summit.

Up to 20,000 people joined Saturday's protests in London.

Despite fears of violence in coming days that have prompted a major security operation in the British capital, Saturday's demonstration⁵ has so far been peaceful.

As many as 20,000 people were expected at the Put People First march, organized by trade unions but backed by some 120 other groups including environmentalists, church groups, and political campaigners.

Authorities are bracing⁶ for possible violence as anti-capitalist and environmental protesters to converge³ on the Bank of England next Wednesday -- April 1 -- for a "mass street party" dubbed⁷ "Financial Fools Day."

Protesters gathering⁸ on Saturday were calling for jobs, fair distribution of wealth, and a low-carbon future.

They carried banners and posters reading "Climate Emergency," "Gaza: End the Blockade," "Planet Before Profit," "We Won't Pay for Their Crisis," and "Jobs not Bombs."

Some groups turned out to march in bright-colored rain ponchos⁹ or hard hats.

The day began with a church service in central London. The Salvation¹⁰ Army, which helped organize the service, said it was a "perfect opportunity to ask the G-20 to consider the world's most vulnerable people."

Those at the service sang "We are blessed to bless a world in pieces." They asked for freedom from debt and justice to profit, the Salvation Army said.

After gathering along the Thames River and marching along its banks, marchers moved past Trafalgar Square to Hyde Park for a mass rally in the afternoon. Speakers at the rally include trade union bosses, environmentalists, and global justice campaigners, along with musicians and a comedian¹¹, according to march organizers.

Jake Corn, from Cambridge, told the UK's Press Association he was taking part to show support for a more sustainable future.

"We feel this is an important moment with the G-20 coming here," Corn said.

"We want to get our message across to as many people as possible."

Italian trade unionist Nicoli Nicolosi told PA he had travelled from Rome to take part. He said: "We are here to try and make a better world and protest against the G-20."

The G-20 summit next Thursday brings together leaders and financial chiefs from the top 20 industrialized and emerging economies, along with leaders from non-G-20 nations.

Hundreds of other officials will also be there, including the heads of the International Monetary¹² Fund and the World Bank.