Thousands of demonstrators carried flags and flares and chanted pro-Palestinian slogans as marchers heard calls for world leaders to condemn Israel's actions.
More than 1,000 officers were deployed by the Metropolitan Police before Saturday's demonstration in the capital, with police saying in advance that anyone showing support for Hamas may face arrest. Report by Covellm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn