Jeremy Corbyn has committed the Labour party to tackling the "warped and degrading" culture of sexual harassment in work places.
The Labour leader used a speech at a party conference in Blackpool to tell delegates abuse has been "hiding in plain sight".
The pledge follows criticism of Mr Corbyn for appointing now suspended Labour MP Kelvin Hopkins to the shadow cabinet after allegations against him had surfaced.
Mr Corbyn said that abuse of women across all work places must be stamped out and called for "broader and deeper" change.
It comes as increasing numbers of allegations against MPs' citing misbehavior surface.
The Islington North MP said that sexual harassment often hid "in plain sight".
"Change happens when, led by those who suffer from abuse of power, we collectively stand up and say 'no more,'" Mr Corbyn said.
"Faced with ongoing revelations of sexual harassment, we must make this a turning point and a moment of real change.
"We must say 'no more', we must no longer allow women, or anyone else for that matter, to be abused in the workplace or anywhere else.
"This is not about peering into some dark recesses. This kind of abuse, sexism and misogyny, has been hiding in plain sight - it's all around us.
"It's sadly in our schools and universities, it's in our businesses and in our workplaces, newspapers and on our TV screens, and yes, it's in the corridors of power."
Both Labour and the Conservatives have introduced fresh inquiries into allegations of inappropriate behaviour within Westminster.