One man has been arrested in connection with the fire.
The residents who were evacuated following the fire in Coney Green Drive last night were able to return to their homes just after 6am today.
Dozens of people were evacuated from their homes after a gas main fire in what police described as a "critical incident".
The incident happened at 1.40am in Coney Green Drive, a residential street in Longbridge, Birmingham.
Firefighters called to the scene found a man slumped unconscious in a gas main trench, and rescued him while the fire blazed nearby.
He was taken to hospital and held on suspicion of starting the fire, West Midlands Police said. No-one else was injured.
More on this on the National site.