The Just Stop Oil campaigners, including Ellie McFadden, from Glasgow, were protesting at Madame Tussauds in London.
Protest
Four Just Stop Oil activists arrested over Abbey Road crossing protest
The climate activists blocked traffic on both carriageways of the North London crossing made famous by The Beatles.
Thousands of protesters rally in London to call for the UK to rejoin the EU
Parliament Square Garden, the last stop on the march , saw a sea of blue and yellow as supporters waved EU flags and carried placards.