<sod >More than 10,000 people wereÂ expected to join the march, which began outside BBC Broadcasting House and moved towards Parliament Square to hear a number of speakers including Labour leader Jeremy Corbyn.< eod>< sod > More than 100,000 attended the rally, according to organising bodyÂ the People's Assembly, whichÂ began outside BBC Broadcasting House and travelled towards Parliament Square to hear a number of speakers including Labour leader Jeremy Corbyn.< eod>