The artwork was swiftly covered up and guarded by security guards

The artwork, which shows a judge hitting a protester with a gavel, was confirmed by the elusive street artist.

Security guards were seen patrolling in front of a screen concealing the mural now confirmed as being by the guerilla graffiti artist as his latest creation.

Artist’s recent mural outside Royal Courts of Justice covered up and is guarded by security

It won't remain there for long.