A major London tube station was forced to close after passengers were left feeling unwell.
Officers were called to Farringdon station this morning after reports of a suspected gas leak.
The station has been evacuated while enquiries are conducted.
Thameslink says they "expect disruption to last until 5pm".
A British Transport Police spokesman told GB News: "Officers were called to Farringdon station at 9.42am today (April 30) following reports of a suspected gas leak in the station, with a small number of passengers reporting feeling unwell.
"Officers are in attendance, alongside the ambulance service and the fire brigade and the station has been evacuated while enquiries are conducted."
There is currently no service on the Elizabeth Line between Paddington and Abbey Wood.
Thameslink services are also suspended at the station, with Transport for London (TfL) buses accepting tickets between London Blackfriars and St Pancras International.
Police at the scene outside Farringdon | X/YOSHI BABAGANOUSH
TfL has confirmed the Elizabeth line section of Tottenham Court Road station is also shut as part of the ongoing investigation.
Hammersmith & City, Metropolitan, and Circle line tube trains are not currently stopping at the station.
A London Ambulance Service spokesman told GB News: "We were called at 9.40am today to reports of an incident at the junction of Farringdon Road and Clerkenwell Road, EC1M.
"We have sent resources to the scene including ambulance crews, an incident response officer, a paramedic in a fast response car, a clinical team manager and paramedics from our hazardous area response team. The incident is ongoing and we are working with our emergency services partners."
LATEST DEVELOPMENTS
- Milton Keynes arson attack: Man, 51, arrested after packed-out gay nightclub set on fire in 'devastating arson attack'
- Russian-speaking Telegram account offered crypto for arson attacks on Keir Starmer-linked car and homes, court told
- Woman arrested after two children found dead in Wolverhampton house fire
Farringdon was forced to be evacuated (file pic) | WIKICOMMONSA London Fire Brigade spokesman told GB News: "London Fire Brigade is currently responding to an incident at Farringdon Station.
"Two fire engines, two fire rescue units and specialist officers are in attendance.
"The Brigade is working alongside partners at the scene. People are advised to avoid the area at this time."
Services between Bedford and Three Bridges/East Grinstead, St Albans City and Sutton/Wimbledon, Luton and Orpington, and between Cambridge and Brighton are all suspended.
Farringdon station is currently close while officers investigate
|WIKICOMMONS
A TfL spokesman said: "The Elizabeth line was suspended to allow the emergency services to investigate a suspected gas leak at Farringdon station."