A 1,000-metre exclusion zone has been put around an LPG tanker which caught fire on the A1 south of Belford today.
Fire crews from Belford, Seahouses, Alnwick and Amble are at the scene along with police, who were alerted at around 1.50pm.
The exclusion zone has been put in place as officers continue to check for explosions.
Northumberland Fire and Rescue Service say there are no injuries reported and there is no danger to the public.
The A1 is closed between the A1167 junction at Scremeston and the B1340 junction at Alnwick.
Diversions are in operation
HGVs and larger vehicles traveling north are being diverted off the A1 at the A697 at Fairmoor, Morpeth. Cars and other vehicles traveling north are being diverted off the A1 at Denwick West, towards the A697.
HGVs and larger vehicles travelling south are being diverted off the A1 at Fenwick towards Lowick on the B6353 then the B6525 to Wooler. They then join the A697 southbound.
Cars and other vehicles travelling south are being diverted off the A1 at Adderstone Services onto the B1341 to Bamburgh. They are then heading south on the coastal route to join the A1 via Christon Bank.
Police are urging motorists to avoid the area completely.