Trains on the line between Portsmouth and London Waterloo are being delayed due to disruptive passengers.
South Western Railway have said that there are significant delays which are expected to last until 7pm tonight.
The delays are being caused by disruptive passengers who pulled the alarm on a train multiple times.
The disruption is between Clapham Junction and London Waterloo this evening – and could impact commuter services.
A statment on SWR website reads: ‘Following disruptive passengers between Clapham Junction and London Waterloo all lines have now reopened.
‘Train services running to and from these stations may be delayed or revised. Disruption is expected until 19:00.
‘What We're Doing About It – The disruptive passenger has been dealt with and the train is now on the move.
‘As the line was blocked for over 20 minutes, some trains in the area are delayed and some congestion has formed on other lines.
‘We may need to make service interventions to manage the disruption.
‘For further information or onward travel advice please speak to a member of staff or use a station help point.
‘We are very sorry for any delay that this may cause to your journey.’