Demonstrators attack police in violent clashes as thousands gather in London

More than 100 people were arrested after violent demonstrators attacked police in central London, drawn by Black Lives Matter protests.

Football hooligans and far-right groups descended on the capital, vowing to “defend” memorials from protesters after the Westminster statue of Winston Churchill was covered up for protection.

Boris Johnson warned that anyone attacking police would face “the full force of the law”, and condemned the “racist thuggery”.

Hundreds of people defied a 5pm police curfew in the capital, after a day of clashes near the Houses of Parliament and Trafalgar Square.

Demonstrators repeatedly assailed officers in riot gear with missiles, smoke grenades, bottles and flares.

There were a number of clashes with police in riot gear as crowds chanting "Tommy Robinson" and "England" while raising their arms surged towards lines of officers.

Violence also erupted at Waterloo station as activists chased counter-protesters, overwhelming police.

The home secretary condemned as “shameful” the “desecration” of a memorial to PC Keith Palmer, the policeman who was killed trying to defend parliament from a terror attack, when a man was seen urinating right next to it.

Catch up on events as they happened.