Police say up to 12 other people were injured in the blast in Ansbach, near Nuremberg, three of them critically. Ansbach”s mayor Carda Seidel said the inferno was caused by an explosive device. The horrifying incident occurred at 10.30pm local time at Eugen”s Weinstube in the city’s old town. The man has been killed is the suicide bomber and the explosive device he was carrying went off accidentally, according to police. Unconfirmed reports state nearby homes have been evacuated. The nearby Ansbach Open Music Festival has been cancelled as a result of the blast, with around 2,500 people rushed to safety. Unconfirmed reports claim a man with a rucksack was denied entry to the festival shortly before the explosion ripped through the popular night spot. The attack took place just three miles away from a US military base, which is home to the 12th Combat Aviation Brigade. A spokesman for the Bavarian interior minister Joachim Herrmann said the explosion was a “deliberate” act rather than an accident. He said: “At present we assume it is not an accident.” Heavily armed police are at the scene and officers have cordoned off the area around the wine bar.