There are currently no trains running between Bromley North and Grove Park.
Southeastern railway said there is a trespasser on the railway near Bromley North, preventing trains from running.
The 7.12am train to Grove Park was cancelled due to the incident.
At 7.20am, Southeastern said they were in the process of restoring power to the lines and trains would be 'on the move again shortly'.
As of 7:32am, the Bromley North to Grove Park service should be running smoothly again.
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