A1(M) Southbound closed due to an accident, six vehicles involved between J7 A602 (Stevenage) and J6 A1000 / B197 / B656 (Welwyn / Welwyn Garden City). Congestion to J9 (Letchworth).
Delays of up to 30 minutes on First Capital Connect between Stevenage and Kings Cross, and between Welwyn Garden City and Moorgate due to earlier broken down train at Alexandra Palace and signalling problem at Hatfield.
Army experts have carried out two controlled explosions after a "suspect package" was left at a bookmakers in Hertfordshire.
People were evacuated from their homes and businesses in Welwyn Garden City, Herts, after reports that a robbery had taken place at Ladbrokes on Cole Green Lane.
Officers also received information that a suspect package had been left at the scene during the incident, which happened at around 4.50pm yesterday (Fri)
A hundred metre cordon was put in place around the scene and army experts carried out two controlled explosions.
A Hertfordshire Police spokeswoman said: "No one was injured and the cordons were lifted at around 9.30pm.
"Investigations into the incident are already under way and anyone with any information about what happened is asked to contact Herts Police on the non emergency number 101."
There are delays of up to 30 minutes on trains between Peterborough and London Kings Cross due to over-running engineering works.
A bus service will replace some trains between Welwyn Garden City and London.
Police are appealing for witnesses and information following a suspected arson attack on a sheep near Welwyn Garden City.
It happened between 6.30pm on Monday 5th August and 11am on Tuesday 6th August. It's thought the offender or offenders have approached a gate securing a field near Tewin Water.
Once in the field, they are then believed to have set the ram alight by an unidentified means before leaving the field in unknown direction. The animal is believed to have died as a result of its injuries.
There's delays of around 25 minutes on First Capital Connect trains between Welwyn Garden City and Moorgate. It's due to a broken down train at Finsbury Park.
Birchall Lane in both directions closed due to accident between A414 / Birchall Lane and Cole Green Lane.
One lane is closed because of barrier repairs on the A1(M) Northbound at J6 for Welwyn Garden City in Hertfordshire.
A1(M) Northbound closed due to an overturned vehicle and recovery work between J6 A1000 / B197 / B656 (Welwyn Garden City) and J7 A602 (Stevenage). Not causing serious delays so far.
Heavy traffic on A1(M) Southbound between J6 A1000 / B197 / B656 (Welwyn / Welwyn Garden City) and J5 B197 / B195.