A worker was injured after falling 30 feet in a construction site accident in St. Louis, Missouri.

The accident occurred around 9:30 a.m. at a brewery on Lemp. According to officials, the man was waiting for the elevator to take him downstairs and when the door opened he stepped forward. The man did not look down to realize that the platform was not there when the elevator doors arrived.

The 28-year-old man is employed with True North Wireless and is currently in critical condition after the three-story fall. A full investigation into the accident will be done by officials from the Occupational Safety and Health Administration.

Construction accidents can cause serious injury to people involved, our thoughts are with the friends and family of the victim.