AN explosion at a Rowley Regis first floor flat caused a fire that saw two men injured and 20 people evacuated.

The men fled the Oldbury Road premises after the blast and blaze a 10.10pm on Tuesday and were detained by police officers outside.

They were taken to hospital with minor injuries and will be questioned about what happened when they are fit to do so.

No-one else is believed to have been injured but structural damage was caused to the property and 20 residents from nearby homes were evacuated for the night as a precaution.

An investigation is now under way to find out what caused the explosion and a bomb disposal team was believed to have been at the scene.

Anyone with information is asked to call police on 101.