Police incident blocks all train lines between Portsmouth Harbour and Havant
Power to the train tracks has been turned off as officers deal with the incident and response teams from South Western Railway are also helping.
‘Our response teams along with the police are making their way to site, until they are there and have assessed the situation no trains will run in the area, and all power to the track has been turned off.
Southern trains between London Victoria / Brighton / Portsmouth Harbour / Littlehampton and Portsmouth Harbour are also affected.
The nature of the incident is currently unknown.
For those needing alternative transport, please visit traveline.info/ for information on buses.