Two men were arrested last night in South Mimms in connection with the theft of eight Range Rovers which have been stolen in the Harpenden area in the last two weeks.
A van driver remains in a critical but stable condition in hospital after yesterday's serious M25 crash between Potters Bar and Enfield - which closed the motorway for almost eight hours.
A fault with the signalling system between Potters Bar and Hatfield is causing delays to the trains this morning.
One lane of the A1(M) has been closed after a crash between the Stevenage and Letchworth Gate junctions this evening - with heavy traffic back to Welwyn.
Police are patrolling an area of Hatfield after a spate of egg-throwing at cars in a particular street.
A crash on the M25 this afternoon near Potters Bar is causing major traffic delays during rush hour - with queues back to Junction 22 for London Colney.
A 35-year-old man was arrested on suspicion of dangerous driving last night after a car crashed in the Hatfield Tunnel, blocking a lane of the A1(M).
Police have released an image of a woman they would like to identify after a theft by finding incident in Potters Bar.
Northbound traffic was stopped on the A1(M) last night after two crashes involving multiple vehicles near to Junction 6 for Welwyn.
Officers from Herts police were searching Hatfield yesterday for a man potentially armed with a knife.
A lane is blocked on the M25 near Potters Bar this evening due to a two-vehicle collision.
There are long delays on the A1(M) near Stevenage this morning after a crash on the southbound carriageway.
Roadworks are causing delays through Cuffley this morning, with motorists advised to avoid the area.
The full closure of the M25 anti-clockwise between Junction 25 for the A10 and Junction 23 for the A1(M) due to a serious crash has been removed.
The M25 has been shut anti-clockwise between Junction 25 and Junction 23 after a serious crash between Potters Bar and South Mimms this evening.
A fire in Codicote which saw one of the largest thatched roofs in the UK go up in flames is being treated as arson, police have confirmed today.
A derelict grade II-listed building in Codicote has been seriously damaged by fire for a second time in just over four years - with firefighters working through the night to battle the blaze at the thatched-roof house.
A post-mortem has established that a body found in woodland near Stevenage at the weekend belonged to a female.
A suspected body has been found in woodland just outside Stevenage.
Armed police were called to a shopping precinct in Welwyn Garden City last night after reports that a man had a knife - making an arrest at the scene.
Broken down trains on both the Great Northern and Thameslink lines have caused major disruption today.
The A1(M) has fully reopened northbound after two crashes near Junction 2 shut the motorway this afternoon.
Open water swimming and fishing remains suspended at Stanborough Lakes in Welwyn Garden City due to blue-green algae.
All lines have reopened after a person was hit by a train between Welwyn Garden City and Hatfield this afternoon.
All lines are blocked on the Great Northern route after a person was hit by a train between Welwyn Garden City and Alexandra Palace this afternoon.
An electricity supply failure between Welwyn Garden City and Finsbury Park is causing delays on the trains this evening.
A Welwyn Garden City woman has been charged with murder following the death of a woman in the town on Saturday night.
There have been long delays on the M25 this evening due to a broken down heavy goods vehicle near Potters Bar.
Train services on the Moorgate line may be cancelled due to what rail operator Govia Thameslink has described as "vandalism on a train".
A yellow weather warning has been issued for the East of England region for the whole of tomorrow (Sunday) - just three days after temperatures soared.