Firefighters are mounting a massive operation to smother the ferocious fire still raging at a Hertfordshire oil depot after more than 24 hours.
The crews have been working through the night to contain the blaze, maintaining a curtain of water between the flames and seven unexploded fuel tanks, each thought to hold three million gallons of fuel.
The fire, at the Buncefield depot, near Hemel Hempstead, follows a series of blasts which began early on Sunday injuring 42 people, two seriously.
A huge plume of choking smoke continues to billow from the site, spreading out across southern England from the 20 or more fuel tanks that had been destroyed.
The effects of the explosion were reportedly felt in Oxfordshire, and it was heard as far away as the Netherlands after 70 million gallons blew up...

Massive smoke clouds have started drifting towards Swindon and Reading, in Berkshire.
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