A passenger being taken ill on a train at Beaconsfield means trains between London Marylebone and Princes Risborough may be delayed by up to 40 minutes or revised.

Disruption is expected until 11:00.

Check before you travel:

You can check your journey using the National Rail Enquiries real-time Journey Planner

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.