A powerful explosion has hit a residential building in Germany’s Regensburg on Wednesday around 0400, causing fire and major material damage.

At least four people have been injured, while three others result missing.

Authorities are continuing their search for the missing, while it is still unknown whether they were inside the building at the time of the explosion, writes BildTelevision broadcast.

Local buildings have also been damaged by the incident, while about 27 residents have been evacuated.

The cause of the blast has not yet been determined, but it is also suspected of the possibility of a gas leak.