Emergency services were called to a crash on the M40 this morning.
Bucks Fire tweeted just after 8.15am to say crews from High Wycombe and Beaconsfield were called to the southbound carriageway between junction 5 (Stokenchurch) and junction 4 (Handy Cross).
They tweeted again around half an hour later to warn drivers to expect delays.
It is not yet known how many vehicles were involved or if anyone was injured.
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