There are delays on the trains this morning following signalling problems near Gatwick.
Signals at Coulsdon South and Merstham are continuing to cause disruption to Southern services between Purley and Gatwick Airport.
A Southern spokesman said: “Some trains travelling from London towards Gatwick Airport will be diverted and not call at stations between Coulsdon South and Gatwick Airport.
“Services which do travel between Merstham and Redhill may be delayed by up to 10 minutes.”
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