The antiracism protests spurred by the killing of an unarmed African-American man at the hands of police in Minneapolis has put business owners on guard and looking for ways to protect their property against looters and others intent on inflicting damage.
Construction sites have not been affected in the same way that retail businesses have, but there has been enough impact to warrant concern.
There have been a few cases of suspected arson that resulted in total or significant losses to properties under construction in Minneapolis and Columbus, Ohio.
