Millions of Brit holidaymakers face travel chaos after warning Icelandic volcano is about to blow
Iceland's Met Office warned volcano Katla could erupt and project a gigantic cloud of ash towards the UK
AIRPORTS across Britain face chaos if a volcano named after a mythical ugly troll explodes.
Boffins' equipment registered a four-fold increase in tremors.
The eruption could send a choking veil of ash towards the UK from Icelandic wind.
Flights in the British Isles could face disruption with pilots peering to see through the all-enveloping curtain of volcanic dust.
There are fears we could be in for a repeat of the travel chaos when 2010 Iceland's Eyjafjallajokull volcano erupted.
Around 100,000 flights across the UK were cancelled.
Iceland's Met Office say 'earthquake activity' at the ice-covered volcano has increased.
Katla may be about to 'blow' and send a gigantic cloud of ash hundreds of miles into the air.
Boiling-hot ash from the volcano's 1,600 degree Fahrenheit lava could melt in aircraft engines and block turbines, it is feared.
The blue skies would be turned dusty grey, affecting millions of asthma sufferers.
The Icelandic Met Office said "Since mid-June, earthquake activity within the caldera of the ice-covered Katla volcano has increased above background levels.
"More than 100 shallow-seated earthquakes have been detected in Katla caldera since 1 June 2016, which is almost four times the monthly average compared to previous years.
"Earthquakes occurred mainly in bursts ranging from minutes to hours, often with 20 events or more.
"We continue to monitor Katla closely and will issue updates on IMO's web-site if the situation intensifies."
Airlines make decisions on whether to fly based on information from the Civil Aviation Authority.
A spokesman for Bristol Airport said "Since the 2010 volcanic ash event, the Civil Aviation Authority has put arrangements in place to minimise any disruption in the event of significant volcanic activity.
"Working in partnership with organisations such as NATS, the Met Office and airlines, improvements in forecasting ash density has been developed and a new system of regulating airspace is also in place.
"We are not aware of any current or forecast restrictions on airspace affecting flights to or from Bristol Airport."
The 2010 eruption of Eyjafjallajokull saw thousands of Brits stranded across the continent.
Royal Navy ships were tasked to help get people home and the Channel Tunnel put on extra trains.
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