By MATTHIAS SCHRADER and STEFANIE DAZIO, Associated Press MUNICH (AP) — German police closed the Oktoberfest fairgrounds Wednesday 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....