Erfurt (dpa/th) – A gas grill triggered a balcony fire in Erfurt. A 37-year-old tenant was cooking dinner on the grill Monday night when he briefly left the device unattended, police said Tuesday. When the man returned, the balcony was almost completely on fire. The fire brigade was able to extinguish the fire quickly. Nobody was injured, the house suffered damage of around 15,000 euros. The police initiated an investigation into negligent arson against the tenant.