Our live feed has now finished.
- The M40 is currently closed at Junction 4 as police attend a man on the wrong side of the barrier at the bridge by Cressex Road.
- There are long delays between J2 A355 (Beaconsfield) and J4 A404 / A4010 Handy Cross, as the M40 is closed in both directions.
- The incident is causing gridlock on the roads around High Wycombe and Marlow.
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