The pair were pronounced dead at the scene near Port Talbot by paramedics from the Welsh Ambulance Service.

Superintendent Andy Morgan from British Transport Police, said: “We are making a number of urgent enquiries to understand exactly what happened in the moments leading to this fatal collision.

“Very sadly two people have died and my officers are now working to identify them and ensure that their families are supported at this incredibly difficult time.”

The Rail Accident Investigation Branch have been notified.

Network Rail said: “We are shocked and distressed to confirm that two members of our team lost their lives today in an accident involving a train.

“We do not know the details behind this dreadful accident and are fully cooperating with the British Transport Police and Rail Accident Investigation Branch.

“Our thoughts are with the families of our colleagues and our members of staff who will be affected by this tragic loss, and we will provide all the support we can.”