A senior intellectual fitness lecturer allegedly referred to as a continue to be campaigner a “fucking traitor” and brandished a union jack flag in his face is being investigated using King’s College London.

In a video shared on Twitter, Niall McCrae additionally seems to tell Femi Oluwole to “fuck off” on the Brexit birthday party rally in west London on Tuesday.

McCrae is then visible, waving a massive union jack flagpole within the campaigner’s course, and later shakes the hand of a person who had thrown water at him.

A King’s College London spokesperson said: “We are aware of lawsuits concerning the behavior of a member of our team of workers. We do not condone inappropriate or abusive behaviour. This is being taken very severely and is being treated as a concern.”

McCrae, a lecturer at King’s mental health nursing department for 17 years, writes about Brexit for right-wing thinktank the Bruges Group and has written instructional papers to know the impact of Brexit on the health provider.

He campaigned to go away the EU in Sutton, south London, a place that voted for Brexit.

Oluwole had been sporting a desk with a sign reading: “A no-deal Brexit would be disastrous for the United Kingdom. Change my mind,” next to humans queueing for the rally.

He later shared the footage of the incident on Twitter, including: “I don’t thoughts rightwing thugs chucking their liquids on me. I don’t thoughts them poking me inside the face with a flagpole.

“I do mind that Nigel Farage is set to WIN the European elections on Thursday by calling absolutely everyone who opposes a form of Brexit he said could in no way appear ‘traitors.’”

Oluwole co-founded Our Future Our Choice, a marketing campaign group for young those who want a second referendum.