The volcano started erupting in February which was its first activity in over a year Mount Etna is Europe's highest volcano A new eruption which began on March 15 is causing no damages to Catania's airport which is fully operational.
Etna has been experiencing an ongoing eruption, according to Italian news agency RAI, which reported that of 10 people injured in the blast, six were hospitalized, though none with life-threatening injuries.
A volcanologist accompanying Morelle described the incident as the most unsafe in his 30-year career.
"BBC team all ok - some cuts/ bruises and burns".
Mt Etna has been active for the past two days, creating a visual spectacle as it spews lava and ash into the air.
Lava flow mixed with steam had caused a huge explosion, which pelted the group with boiling rocks and steam, she said.
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The crew, exhausted and panicked, made it back to a large snowmobile which had sustained damage from flying debris, with some sustaining "cuts, bruises and burns", according to Morelle, adding that they were all "very shaken" by the "extremely scary" experience.
Members of a BBC film crew were among those forced to flee.
'Incident could have been worse - explosions like this have killed - but seems minor injuries for now.
The Catania operation centre of Italy's volcanology institute confirmed that three of its experts had been on Mount Etna and some had suffered injuries in the explosion.
He said the explosion, which happened at 11:43 a.m. local time (6:43 a.m. ET), "threw pieces of lava in the air and ten people in the area were hit and injured, none seriously".
Red hot lava can be seen flowing from Mount Etna while the surrounding snow had been edited to a blue colour to distinguish from the clouds.