Indonesia's Mount Merapi, one of the world's most active volcanoes, has spewed a plume of grey ash into the sky as fiery red molten lava streamed down from its crater.
Authorities did not raise the rumbling volcano's alert status after the eruption on Thursday evening.
Activity - Merapi - Concern - Residents - Zone
But any activity at Merapi raises concern and local residents have previously been ordered to stay outside a five-kilometre (three-mile) no-go zone around the crater near Indonesia's cultural capital Yogyakarta.
Its last major eruption in 2010 killed more than 300 people and forced some 280,000 others...