POLICE are treating the fire at the railway signal box in Newport at the weekend as suspicious.

Firefighters tackled the fire at the East Usk signal box, at the back of Conway Road in Maindee, on Sunday, April 19.

Some train services were disrupted and did not return to normal until 3.15pm on Sunday.

No one was in the signal box at the time and no one was injured in the incident.

Firefighters from Maindee and Malpas, along with water bowsers from Cwmbran and Caerphilly attended the blaze at around 2.30am.

Two hose reels, a jet and breathing apparatus were used to extinguish the fire.

Firefighters went back to the scene at 7.57am and met with police officers at 9.30am yesterday to hand over the investigation.

British Transport Police are now investigating the fire and said they believe it to be suspicious.

Anyone with any information about the incident is asked to contact British Transport Police on 0800 405040.