This is the dramatic moment a group of Indonesian climbers was caught by surprise when the volcano they were ascending erupted on Friday.<br /><br />Filmer Shopan Pengestu and his team were making breakfast on the slopes of Mount Merapi in Central Java when they heard a loud rumble coming from the nearby crater.<br /><br />They looked up to see a huge cloud of ash rising into the air.<br /><br />The sudden eruption took hundreds of climbers by surprise and Pengetsu's group can be heard in the video calling for others further up the slope to take cover.<br /><br />Fortunately, there were no serious injuries, although one person was reported to have fallen when running for cover.<br /><br />A government department confirmed the eruption to media and added that it launched ash up to 5,500 metres into the air.
