"All this came in light of the cartoon controversy," said a police spokesman, Uwe Kozelnik.
The following incidents are often compared to the cartoon controversy.
Charlie Hebdo (cartoon controversies, 2011 and 2012)
In early 2006, the Iraqi insurgency released a statement calling for more attacks on the Danish army in the retaliation to the Danish cartoon controversy.
The European Parliament accepts a resolution which condemns all violence related to the cartoon controversy.
The initiative was brought in the immediate aftermath of the cartoon controversy, and is considered a direct response to it.
I've heard that line countless times in Karachi lately about the Danish cartoon controversy, including from journalists who fiercely guard their own right to work without censorship.
The lessons of the Danish cartoon controversy serve as an ominous template for the current debate.
His recent work has focused on the Danish cartoon controversy and the impact of ridicule, parody, and joking in the 2008 presidential race.