Residents at the Pinewood Creek Apartments in New Berlin were left with questions after emergency crews responded to reports of a possible structural collapse inside one unit on Saturday night.Bonnie Lopez, who has lived at the complex for 12 years, said she first learned something was wrong through an emergency alert app on her phone around 9 or 9:30 p.m.Watch: Why neighbors are left with questions after a report of a possible structural collap…