Three people were critically injured when a walkway collapsed in downtown San Diego on August 28^th. The incident occurred at a construction site at 15^th Street and Imperial Avenue. A covered wooden walkway, which was meant to protect pedestrians from falling debris, collapsed. Two women and one man suffered critical injuries, and at least a dozen others were transported to area hospitals. The contractor for the site is Allgire General Contractors, who have had at least two accidents in the past four years, one of which occurred at the same site. Both Allgire and OSHA do not yet know what caused the accident.