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 was 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 said: "We were called at 9.40am today to reports of an incident at the junction of Farringdon Road and Clerkenwell Road, EC1M.
"We sent resources to the scene including ambulance crews, incident response officers, paramedics in fast response cars, clinical team managers and paramedics from our hazardous area response team.
"We treated 14 patients in total. We took two people to hospital and discharged the others at the scene."
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Farringdon was forced to be evacuated (file pic) | WIKICOMMONSA London Fire Brigade spokesman told GB News: "Firefighters were called to a report of a smell of chemicals on an Elizabeth Line platform at Farringdon Station this morning.
"Crews attended and carried out a sweep of the area to check for no elevated readings of any chemical substances. No elevated readings were detected.
"Fourteen people were treated at the scene with two of those people taken to hospital by London Ambulance Service as a precaution. "
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."