A campaign van with an electronic billboard advertising the Liberal Democrats was blocked by Leave protesters during demonstrations on Thursday.
Leave demonstrators attempted to blockade the van outside the Houses of Parliament in London's Westminster until police stepped in to disperse the crowd.
The Brexiteers were later seen shouting "scum" at MPs arriving in their cars at Parliament.
The UK had been due to leave the EU on October 31 but an extension has been granted by Brussels.
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Brexiteers Protest In Westminster On The Originally Scheduled Brexit Day
Pro Brexit anti European Union Leave protesters demonstrating in Westminster on what, prior to another Brexit Day extension, would have been the day the UK was scheduled to leave the EU, and instead political parties commence campaigning for a General Election on 31st October 2019 in London, England, United Kingdom. Brexit is the scheduled withdrawal of the United Kingdom from the European Union. Following a June 2016 referendum, in which 51.9% of participating voters voted to leave. (photo by Mike Kemp/In Pictures via Getty Images)
