On October 26, 2021, at approximately 10:25 a.m. an employee was performing roofing work on a commercial building and was walking backward moving a propane tank with a handcart. While moving the propane tank, the employee tripped over the raised lip of an unprotected skylight and fell through it to the concrete floor 20 feet below. The employee sustained a fractured cervical vertebra and multiple skull fractures.