This article is from the source 'bbc' and was first published or seen on . It will not be checked again for changes.

You can find the current article at its original source at http://news.bbc.co.uk/go/rss/-/1/hi/england/beds/bucks/herts/7711731.stm

The article has changed 12 times. There is an RSS feed of changes available.

Version 1 Version 2
Six people hurt in gas explosion Six people hurt in gas explosion
(10 minutes later)
A gas canister has exploded at an industrial site in Hertfordshire, leaving six people injured.A gas canister has exploded at an industrial site in Hertfordshire, leaving six people injured.
Fire crews, ambulance and police were called to a building believed to be the Herts Data Centre at the Mundells in Welwyn Garden City at 1500 GMT. Fire crews, ambulance and police were called to a warehouse building at the Mundells in Welwyn Garden City at 1500 GMT.
A Hertfordshire Fire Service spokesman said 10 crews are tackling the fire and there are gas canisters inside.A Hertfordshire Fire Service spokesman said 10 crews are tackling the fire and there are gas canisters inside.
Six people, one with life-threatening injuries, have been taken to the Queen Elizabeth II Hospital in the city.Six people, one with life-threatening injuries, have been taken to the Queen Elizabeth II Hospital in the city.
The Mundell one way system has been closed.The Mundell one way system has been closed.
An East of England Ambulance Services spokesman said one of the people taken to hospital had non-threatening injuries and four were described as "walking wounded".An East of England Ambulance Services spokesman said one of the people taken to hospital had non-threatening injuries and four were described as "walking wounded".
One person is believed to be unaccounted for.One person is believed to be unaccounted for.

Are you in the area>? Have you been affected by the issues in this story? Send us your eyewitness accounts using the form below.In most cases a selection of your comments will be published, displaying your name and location unless you state otherwise in the box below.
Send your pictures to yourpics@bbc.co.uk, text them to 61124 or you have a large file you can upload here. Read the terms and conditions
At no time should you endanger yourself or others, take any unnecessary risks or infringe any laws.
Name