Blocked southbound and delays after an accident between junctions 5 and 6 (Welwyn/Welwyn Garden City).
Hertfordshire Police are appealing for information after the body of a woman was found in a lake in Welwyn Garden City.
Dog walkers spotted the body in the lagoon in Waterside this morning. The woman was in her 50s or 60s, about 5' 5" tall, with light brown hair, which was in curlers.
At this stage, police are not treating it as a suspicious death.