Bremen (dpa / lni) – After an arson attack at a recycling center in Bremen, the police have no leads on the perpetrators. At the gateway to the company, the date 3.10. and “riot”, the English word for riot was sprayed, the investigators suspect a connection with violent acts announced for the 20th Anniversary of German unity. The main national celebrations will be held over the weekend in Bremen. A claim of responsibility has not yet been issued, a police spokesman said on Monday. The fire caused more then 100,000 euros in damage.