Glenda Jackson told members in the Commons she believed Thatcherism brought the "most heinous social, economic and spiritual damage upon this country, upon my constituency and my constituents."
Some responded to her criticism with shouts of "sit down".
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Storm Ewan gives and wet and windy end to the weekend across many northern and wester areas.
The Home Secretary said the Government is "against cliff edges" and immigration figures will not suddenly fall when the UK leaves the EU.
Peter Whittle has said it was probably too early for Paul Nuttall to run as an MP for the party after only just becoming its leader.