BARCELONA - An explosion early on Oct 26 caused a building to collapse in the northern Spanish city of Santander, killing three people and injuring 10, local authorities said.

       The incident occurred around 4am (10am in Singapore) in a small residential building.

       The cause of the blast is still unknown and the explosion sparked a fire in the three-storey building, said Ms Gema Igual, mayor of Santander, capital of the Cantabria region.

       Residents from neighbouring buildings were evacuated as a precautionary measure.

       Local emergency services said that 10 people were taken to hospital with two already released. AFP