9 workers taken to hospital after roof of building under construction collapses in north Houston

Nine construction workers were taken to the hospital after the roof of a building under construction collapsed in north Houston.

Firefighters arrived on the scene on the 3400 block of North Main on Monday morning.

There were workers on the top of the slap when it failed, and all workers on that floor had self-evacuated with no one reported missing.

Two people were located on the 5th floor and were rescued with a stokes basket. 

SkyFOX aerials showed firefighters bringing down workers on stretchers.

The extent of their injuries is unclear.

This is a developing story. Check back for updates.