Surfside Building Collapse Probe to Begin Structural Testing

The federal investigation into the deadly collapse of a Florida beachfront condominium building is entering a new phase that involves cutting and drilling into concrete and steel to determine what role they played. The National Institute of Standards and Technology said Wednesday that what’s known as invasive testing will begin soon as investigators collect samples from materials collected at the collapsed Champlain Towers South site. The tests will help investigators find potential flaws