OCCUPY campaigners launched a legal challenge to London Mayor Boris Johnson yesterday after his decision to fence off Parliament Square was deemed unreasonable by human-rights lawyers.

With the help of human-rights group Liberty, Occupy Democracy have applied for judicial review of the measures taken to prevent peaceful demonstrations in the square.

Social-justice campaigner George Barda said: “The repressive approach of Boris Johnson (pictured) and his henchmen has been disappointing if not surprising.