URINE was drunk by activists yesterday during a demonstration against state surveillance.
Online activist group Anonymous are staging a four-day static protest outside GCHQ in Cheltenham.
The police refused to accept a potty full of urine on behalf of GCHQ so activists ceremoniously slurped from the vessel.
Protester Mitch Anthony told We Are Change UK: "This is a dirty protest against the government taking the piss. So now we're giving the piss back".
Activists who are angry at reports that GCHQ and its American sister agency NSA have developed large programmes of mass surveillance of phone and internet traffic, organised the protest from Friday, August 29 to Monday, September 1.
A posting on Facebook page GCHQ Mass Protest said: “With all the latest leaks coming out about the power of GCHQ, The NSA & Five Eyes it is high time that we showed our faces and said enough is enough.
“Think of all those images GCHQ have been spying of you and your children in your own home. It is time to fight back against this despicable violation of our privacy.”
The protest got off to a slow start yesterday with confusion over when the protests would take place and only a handful of people turned up.
Some were wearing Guy Fawkes masks - based on the main character from Alan Moore's V for Vendetta graphic novel - others wore CCTV camera masks.
Police and GCHQ had put in contingency plans. Officers were drafted in from other forces and buses took GCHQ staff into the building.