Signalling problem at Horsham - delays of up to 30 minutes on Southern trains between East Croydon and Horsham, and between Redhill and Littlehampton. No estimate as to when normal service will resume.
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Nick Bailey was poisoned by the Novichok nerve agent while working on the investigation into the attack on the Skripals.
A woman badly injured when she was hit by a train at a level crossing is renewing her plea for it to be replaced by a footbridge.
Sergei and Yulia Skripal remain unconscious and in critical conditions following the March 4 attack in Salisbury.