A Conservative MP has been suspended after footage showed him physically removing a climate change protester from a dinner at Mansion House.

Greenpeace protesters disrupted the black-tie event to demand action to tackle the climate emergency.

Mark Field has now been suspended as UK Foreign Office minister after he stopped a female protester by pushing her against a column before holding her at the back of the neck.

He then forcefully walked her from the room.

Prime Minister Theresa May has seen the footage, and found it 'very concerning'.

A Downing Street spokeswoman said: "The police have said they are looking into reports over this matter and Mark Field has also referred himself to both the Cabinet Office and the Conservative Party.

"He will be suspended as a minister while investigations take place."

Greenpeace has accused the MP of assault.

In a statement to ITV, Mr Field is quoted as saying: “In the confusion many guests understandably felt threatened and when one protester rushed past me towards the top table I instinctively reacted.

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“There was no security present and I was for a split-second genuinely worried she might have been armed.

“As a result I grasped the intruder firmly in order to remove her from the room as swiftly as possible.”

He added that he “deeply” regretted the incident and would cooperate fully with a Cabinet Office investigation.