Roof collapses at Port Tampa Bay building after support beam sustains damage

The roof on a warehouse building at Port Tampa Bay collapsed on Friday morning.

The structure, at 2802 Guy N Verger Blvd., is operated by Ports America and sustained a partial collapse when a support beam was damaged. 

Aerials show a caved-in roof with debris strewn about.

All employees and contractors with Ports America are accounted for, and there are no injuries, according to Tampa Fire Rescue. 

The scene was turned over to building engineers.  

This is a developing story. Check back for details.