George Floyd protests: Who are Boogaloo Bois, antifa and Proud Boys?

https://www.bbc.com/news/blogs-trending-53018201

While in many cases peaceful, the protests have also featured scenes of police brutality, looting and violence.

Politicians, law enforcement and commentators on the left and right have accused a number of fringe groups of encouraging and participating in acts of violence.

BBC News has been examining these groups on social media platforms.