A Liverpool woman said Metropolitan Police officers tried to 'arrest' her for 'singing' in the capital.
Chantelle Lunt's hands grew cold during the night as protesters sang, danced and drummed outside parliament while the House of Lords debated a government bill that clamps down on protests.
Peers voted down several elements of the wide-ranging Bill, including parts that would have given police the power to impose conditions on protests deemed to be too "noisy".