Trump Tower is ‘under siege’ as Chicago Police make arrests to defend the president’s building

Protesters marched on Trump Tower in Chicago on Saturday, as Chicago police in riot gear and on horses defend the president's building.

State police were deployed to the scene to back up local police, who are reportedly arresting protesters.

On video showed protesters taking a knee in solidarity with Colin Kaepernick.

Actor John Cusack was among those documenting the protest.

Here are some of the images from the scene: