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AFP via Getty ImagesA major Tube line is facing serious disruption as emergency services respond to a second casualty on the track on the TfL network this morning.The Victoria line is suspended between Seven Sisters and Walthamstow Central following the incident on Wednesday morning. Transport for London (TfL) is reporting severe delays on the rest of the line. Earlier, the Overground’s Suffragette line was also partly suspended due to a separate casualty on the tracks.Emergency services were called to Walthamstow Queen’s Road station at around 5.55am.If you're struggling and need to talk, the Samaritans operate a free helpline open 24/7 on 116 123. Alternatively, you can email [email protected] or visit their site to find your local branch.Follow our blog for the latest travel updates.TfL confirm two casualties on tracks in east London this morningTransport for London have confirmed that a casualty on the track that has suspended the Victoria line is separate to an incident that closed the Suffragette line earlier this morning.The second casualty on the TfL network in London this morning has led to the suspension of the Victoria line between Walthamstow Central and Seven Sisters.British Transport Police have been contacted for more details on the incident.Earlier, the Overground’s Suffragette line was also partly suspended due to another casualty on the tracks. The line has since reopened.Emergency services were called to Walthamstow Queen’s Road station at around 5.55am.If you're struggling and need to talk, the Samaritans operate a free helpline open 24/7 on 116 123. Alternatively, you can email [email protected] or visit their site to find your local branch.District line delays easeEarlier severe delays on the District line between Ealing Broadway and Turnham Green have eased while engineers deal with a signalling problem. There are currently no issues being reported on the line by TfL.Victoria line trains halted due to 'casualty on the tracks'The Victoria line is currently suspended between Seven Sisters and Walthamstow Central as emergency services respond to a casualty on the track, according to TfL. Severe delays are being reported on the rest of the line. The Standard has contacted TfL for more information. If you're struggling and need to talk, the Samaritans operate a free helpline open 24/7 on 116 123. Alternatively, you can email [email protected] or visit their site to find your local branch.Severe delays on the District and Metropolitan linesSevere delays are impacting the District and Metropolitan lines this morning.District: Severe delays between Ealing Broadway and Turnham Green while engineers deal with a signalling problem. Minor delays on the rest of the line due to train cancellations.Metropolitan: Severe delays while engineers fix a signal failure at Neasden. Suffragette line no longer suspended Disruption on the Suffragette line has eased, with severe delays ongoing.The line was closed this morning as emergency services dealt with a casualty on the tracks between Barking Riverside and South Tottenham. Fewer trains running between Watford Junction and St Albans AbbeyFewer trains are running between Watford Junction and St Albans Abbey due to a shortage of train crew.London Northwestern services between these stations will be cancelled and a reduced service will run.This is expected until 5pm.Hertfordshire train disruptionCommuters coming into London from Stevenage and Hertford North are facing slower journeys due to a signalling issue on Wednesday morning.A signalling system fault between the two Hertfordshire stations means trains are running at reduced speed. National Rail says journeys between the stations may be delayed by up to 15 minutes or revised.The commuter route takes passengers into Old Street and Moorgate.Disruption is expected until 10:00.Minor delays on the District lineThe District line is getting in on the act now. It is also reporting minor delays during rush hour due to train cancellations. By The Standard’s count, that is six tube lines suffering with delays and an Overground service, the Suffragette line still part suspended between Barking Riverside and South Tottenham.Delays between Brentford and HounslowTrains running between Brentford and Hounslow may be cancelled in full, delayed or revised to run only a part of their scheduled route, passengers have been warned.It comes after there was a broken down train earlier on the track blocking the route. All lines have reopened but National Rail says passengers should be prepared for last-minute changes to South Western Railway services in and out of London Waterloo.Disruption is expected until midday.Victoria line delaysThe Victoria line is experiencing minor delaysRoss LydallThe Victoria joins the array of lines experiencing minor delays this morning. TfL says this is also due to train cancellations, similar to the problems found on the Bakerloo and Hammersmith & City lines on Wednesday morning.