Stansted Express services have been disrupted after a person was hit by a train near Bishop’s Stortford on Tuesday morning.
All lines between Bishop’s Stortford and the airport are blocked as emergency services respond to the incident, with Greater Anglia and Stansted Express attempting to establish a rail replacement service.
Also affected are CrossCountry services between the airport and Birmingham New Street, and Greater Anglia services between Stratford and Bishop’s Stortford.
Passengers are being warned to expect disruption until further notice as trains may be cancelled, delayed or revised.
Some services that run between Stansted Airport and Cambridge are also impacted, as there is currently no onward travel from Audley End to Bishops Stortford and London Liverpool Street.