UPDATE: 8.24am Wednesday, July 19

TRAIN services between Newport and Cardiff have resumed following the line obstruction due to a collapsed building.

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AN OBSTRUCTION on the track is leading to misery for rail commuters as trains are delayed or cancelled.

Arriva Trains Wales‏ said that any trains operating between Cardiff and Newport will be disrupted by a building that has collapsed.

Disruption is expected to continue until the end of the day.

An eyewitness said that a building has collapsed on the line in Splott, Cardiff and there are unconfirmed reports that it is a derelict church that has collapsed

Jennie Griffiths, head of joint fire control for South Wales Fire and Rescue Service said that six fire appliances including specialist crews are attending the incident involving a collapsed structure in Splott.

South Wales Police have confirmed that a section of Pearl Street in the Splott area of Cardiff is closed due to a police incident.

National Rail  say that CrossCountry, Arriva Trains Wales and Great Western Railway customers can use Cardiff Bus and Newport Bus services between Cardiff Central and Newport on routes 30 and X30.

Services affected include Arriva Trains Wales between Milford Haven / Tenby / Carmarthen / Llanelli / Maesteg and Cheltenham Spa / Manchester Piccadilly / Holyhead.

CrossCountry between Cardiff Central and Nottingham are also affected as well as Great Western Railway between Cardiff Central and Taunton / Portsmouth Harbour / London Paddington.

A statement from National Rail said: "Two out of four lines have now reopened but trains may be delayed by up to 60 minutes or amended.

"A limited bus replacement service is running between Cardiff Central and Newport. Disruption is expected to continue until the end of the day."

Eric Bellew, Group Manager at South Wales Fire and Rescue Service and Officer in Charge at the scene said, “At 14:51 South Wales Fire and Rescue Service was alerted to a collapsed structure on Splott Road, Cardiff.

“Two people self-rescued at the incident with minor injuries and we are in the process of searching for a further individual.

“We have specialist rescue equipment at the scene, which, alongside the Urban Search and Rescue team’s structural collapse rescue technicians are ensuring that the building is safe to undertake an extensive search. We are also utilising the Urban Search and Rescue dog and the All Wales Fire and Rescue Service drone.

“As a precaution, the railway adjacent to the building has been closed, but two lines which run between Newport and Cardiff are still in operation, with reduced services. We continue to work with Network Rail with the aim to reopen the additional lines as quickly as possible.

“This is a multi-agency rescue incident, with the Service working alongside, Western Power, Network Rail, Hazardous Area Response Team, Welsh Ambulance Service Trust, South Wales Police, British Transport Police and local emergency planners from Cardiff City Council.

“South Wales Police has put road closures in place in and around Pearl Street in Splott until further notice and motorists are advised to avoid the area until further notice.”