Spain train derailment: At least four dead in northern province of Galicia, local media reports

Several others were injured in the crash at 9:30am local time

Emergency services at the scene after the train derailed and crashed into a tower (AP)

At least four people are feared to have died after a train derailed in northern Spain.

Several others were injured as train crashed at O Porriño station in the north-western province of Galicia at 9:30am local time.

The regional government's president, Alberto Nunez Feijoo, told reporters at the scene that the train's Portuguese engineer and Spanish ticket collector were among the dead, as well as two passengers, one of whom died in hospital.

Rescue crews searching through the wreckage suspect there may be a fifth victim inside a car, he said.

A witness told the Levante newspaper the train - which was en route to Porto in Portugal - began to derail as it arrived at the station and collided with a tower at the side of the track.

The emergency services attended the scene along with several air ambulances.

The train was made up of three carriages with the first one came completely off the track. The other carriages came partially off the track.

The Spanish rail network, Renfe, confirmed the incident on Twitter and expressed its condolences towards the victims and their families.

Adif railway construction company said it has opened an investigation into the cause of the derailment which occurred on a straight stretch of track.

Local political parties tweeted to expressed its condolences and announced they had suspended campaigning ahead of the upcoming local parliamentary elections for the day as a mark of respect.

There were approximately 60 passengers on board when the accident happened.

The train is owned by Portugese rail company Comboios de Portugal.

In 2013, 79 people were killed in Spain's worst rail disaster when a high-speed Renfe train went off the tracks and slammed into a wall near Santiago de Compostela, in Galicia.

Additional reporting by AP