The Lib Dem MP said the"far ranging, sweeping powers" would have"a real kind of chilling effect on the right to peaceful protest".
While it was not yet clear if the measures were used by police on Saturday, it needed to be investigated, she added.Labour's Wes Streeting also called for the force to provide"accountability" over the concerns that have been raised about its coronation operation.
Culture Secretary Lucy Frazer said police had to"balance the right to protest, which is important in a democracy" with the right of other people"to enjoy what was a fabulous day".The minister also defended the new laws, saying she had"huge confidence" in the police and trusted them to use the new powers.'I have huge confidence in the police'
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