Commuters travelling Princes Risborough and London Marylebone are facing delays of up to an hour this afternoon after a tree fell on the line.
Chiltern Railways passengers have been warned of the delays, which are a result of a tree on the line between Seer Green and Gerrards Cross.
It has not been confirmed how long the disruption will last, but operators expect it could continue until at least 4pm.
Chiltern passengers may use:
• Virgin Trains and London Midland between Birmingham New Street and London Euston.
• CrossCountry between Birmingham and and Reading.
• First Great Western via any reasonable route.
• London Underground via any reasonable route.
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