In Hamburg, about 40 men in masks set fire to the building, where in two weeks the OSCE summit will be held. It is reported by Bild.
According to eyewitnesses, a few dozen people set fire to one of the entrances of the building, as well as garbage cans and fences nearby.
No one was injured in this accident . Also there are no reports about the damage caused by the fire.
The police believe that the reason of the arson could be OSCE summit, but they have no official evidence that the attackers' actions were politically motivated.
According to the DW, radical left group has claimed responsibility for setting fire to the pavilion, where the OSCE and G20 summits are scheduled. They burned several garbage containers, tires and motorcycle. Also radicals using hammers and stones smashed the glass walls of the pavilion.