The incident occurred as Sinn Fein leader Mary Lou McDonald joined the canvass, a party spokesman said.

A video posted online appears to show a man approaching a canvass team for Ms Connolly and shout threats to “deck” and “slap” some of them.

It was reported to gardai that two females were assaulted on North Strand Road in Dublin shortly before 4pm on Friday.

They did not require medical treatment at the scene but gardai said they understand one of the females has since attended the Mater Misericordiae University Hospital for further assessment.

They have appealed to anyone with camera footage of the incident to provide it to gardai.

A spokesman for Sinn Fein said: “A man assaulted a young woman who was part of a team getting out the vote near the Five Lamps in the north inner city.

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