Thousands of protestors packed the square outside Gunnlaugsson's office and coated the windows with thrown yogurt.
Things are a little rocky in Europe these days.
As is widely known, the present financial crisis, a crisis of the system itself, has hit parts of Europe particularly hard.
Millions protested at more than 950 demonstrations in 80 countries Saturday, marking a month since the rallies against the global financial system began.
To satisfy the International Monetary Fund, countries like Ireland and Greece have taken drastic anti-worker measures.
Singers, painters and television presenters demonstrated across the Netherlands on Saturday against government plans to slash funding and subsidies for the arts.
Hundreds of desperate Romanians left destitute by the country's austerity drive lined up for food aid Wednesday in the Black Sea port of Constanta.
Prime Minister Kan Naoto in his first policy speech said he will pursue a "third way" on the economy, but it doesn't look like it.