At least 13 people have now died and dozens more are injured after a volcano erupted on Indonesia's Java island on Saturday, emergency authorities said.
Residents were filmed fleeing a giant ash cloud from Mt Semeru.
Officials said at least 57 people have been injured, with many suffering severe burns.
A spokesperson for Indonesia's disaster mitigation agency (BNPB) said that the injured were being treated at various hospitals and medical facilities.
The eruption has left at least 11 villages in the Lumajang district coated in volcanic ash, submerging houses and forcing some evacuees to seek shelter in mosques and makeshift shelters.
According to BNPB officials, 902 people have been evacuated from the area so far.
The eruption started at about 14:30 local time (07:30 GMT).
The Volcanic Ash Advisory Center (VAAC) in Darwin, Australia said the ash appeared to have detached from the summit and was drifting south-west over the Indian Ocean.
Mt Semeru is in a near permanent state of eruption and regularly spews ash up to about 4,300m, so Saturday's eruption was a "pretty significant increase in intensity", Mr Biggs said.
The ash cloud should slowly dissipate, he said.
Videos shared by emergency officials and local media showed residents running away as a giant ash cloud rose behind them.
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