Video: Mystery booms rock Wisconsin city

Filed by Elara Myst

A series of mystery booms that have rocked a Wisconsin city multiple times in recent weeks has residents and authorities scratching their heads. On at least 10 different occasions over the past two months, people living in the community of New Holstein have reportedly heard the unsettling sounds which have been likened to explosions. "The first time I heard it I kind of sat up in bed and like what the heck was that," recalled resident Brenda Salkowski, "it sounded like it was in our yard l