Motorists are warned of delays on the A41 in Hemel Hempstead this morning (Thursday) after a multi-vehicle collision.
Police are at the scene of the collision on the A41 southbound, just before Hemel Hempstead.
Officers were called at 8.24am today (January 20) to report a five-vehicle road traffic collision on the A41 southbound.
Hertfordshire Fire and Rescue sent crews from Red Watch Hemel Hempstead.
Herts Fire Control (@HertsFRSControl) tweeted at 8.31am: "Control sent crews from @Hemel_RedWatch to report of a multiple vehicle RTC on the A41 between Bourne End and Two Waters.
"On arrival, crews found 6 vehicles in collision. Fortunately no persons trapped but crews administered trauma care to 3 casualties & made vehicles safe."
A spokesperson for Hertfordshire Police said: "Officers, the fire service and the East of England ambulance service attended. No serious injuries were reported.
"The road has been closed to allow emergency services access and for vehicle recovery."
A spokesperson for Hertfordshire Fire and Rescue said: "Six vehicles involved in collision on dual carriageway. No occupants trapped. Three casualties were attended to by the ambulance service.
"Two fire engines from Hemel Hempstead attended and crews assessed those involved and made the scene safe."