UPDATE Railway lines have reopened after a trespasser on the tracks led to power being switched off during the morning rush hour today (Thursday 12 November).
The incident happened in the Gatwick area and affected all mainline services between Brighton and Hove and London.
Coastway services were also affected, especially those to and from thd capital.
The knock-on effects left thousands of commuters facing disrupted journeys.
Trains were late or cancelled, with delays still expected to last an hour even when lines were reopened.
Train operator Southern said that it was working to return services to normal by 10am.
