MUNICH (AP) — German police closed theOktoberfest fairgroundsWednesday morning following a bomb threat from the suspected perpetrator of an explosion in northern Munich, city officials said. At least one person's death was believed to be connected to the explosion at a residential building early Wednesday, which Munich police said was deliberately set on fire and part of a domestic dispute. It was not immediately clear whether the deceased was the suspected perpetrator or someone else. Another person, who was not considered to be a danger to the public, remained missing. Specialized teams were called to the scene to defuse booby traps in the building, police said. Photos from the area also showed a burned-out van. Officials discovered thebomb threat to Oktoberfestin a letter from the alleged perpetrator. Police searched the fairgrounds for other explosive devices and asked workers to leave the area. Authorities said the festival will be closed at least until 5 p.m. local time (1500 GMT) Wednesday. This year'sOktoberfestbegan on Sept. 20 and ends Oct. 5.The world's largest beer festivalusually attracts up to6 million visitors. In 1980, Oktoberfest was the target ofa deadly neo-Nazi attack.The bombing on the evening of Sept. 26, 1980, claimed 13 lives, including that of three children and the attacker, student Gundolf Koehler, a supporter of a banned far-right group. More than 200 people were wounded. ___ Dazio reported from Berlin.