Emergency services are presently on the scene between Shenfield and Ilford on the Norwich to London mainline.
All strains have been left blocked following the incident.
Passengers are presently experiencing extreme disruption, together with on services to and from Norwich.
Greater Anglia has mentioned that services might be cancelled, altered and delayed.
Those with Greater Anglia tickets can use the C2C services between London Fenchurch Street and Southend Central.
It is just not but clear when services will resume as normal.
Do you want assist?
Samaritans will be reached 24/7 on 116 123 for utterly confidential assist.
The NHS First Response Service is accessible 24/7 on 111 possibility 2, offering pressing psychological well being assist for individuals in Norfolk and Suffolk.
