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A line-side fire caused delays to rush-hour train services this morning.
Southeastern customers were told to expect an extra 20 minutes on their journey, with services affected between Sevenoaks and Grove Park and between Sevenoaks and Shortlands.
An earlier fire near Petts Wood has been extinguished, but there is still smoke in the area and disruption is expected until 8.15am.
London Underground are accepting tickets for reasonable routes.