At least 18 children have died in a diarrhoea outbreak sweeping across the Solomon Islands.
Health officials say at least a thousand other people have fallen ill.
The Ministry of Health has declared a nationwide alert and is urging citizens to wash their hands with soap and use clean towels after using the toilet.
Under Secretary for Policy and Planning, Dr Chris Becha, says all of the deadly cases involved very young children.
"The verified figure is all of them are under five in the past two weeks," he said.