The blaze broke out within the early hours of Sunday morning on the Teatre nightclub in Murcia.
4 individuals have been handled in hospital for smoke inhalation.
Footage on social media website X reveals a number of firefighters extinguishing the blaze. The nightclub’s roof seems to be severely broken.
Authorities have warned that the loss of life toll might rise additional.
Murcia mayor Jose Ballesta stated they have been working to ascertain the trigger.
“We’re devastated,” he stated on Spanish TV channel 24h, including rescuers have been nonetheless trying to find a number of individuals reported lacking.
The hearth, which began at round 6am, has been introduced underneath management.
The native sports activities centre has been arrange for psychological help and specialised assist, Mr Ballesta stated.