US troops have joined emergency rescue operations in Ethiopia where flash floods have killed hundreds of people and left tens of thousands homeless.
Ethiopian troops are airlifting help to marooned villagers
Ethiopian officials said troops from the US base in neighbouring Djibouti arrived in the eastern city of Dire Dawa with tents and sanitation gear.
In the south-west, herders marooned by the floods refused to be rescued by helicopter, Ethiopian forces say.
The herders said they did not want to abandon their cattle.
One herder in the town of Omerate was quoted as saying "survival without cattle would be meaningless".
Thousands of flood victims remain stranded in drastic circumstances in the south-west Ethiopia, where the River Omo burst its banks.
About 900 have died in the floods in several regions of Ethiopia in the past two weeks.
Flooding often hits low-lying parts of Ethiopia between June and September, when heavy showers fall on dry regions.
But correspondents say the situation is much worse this year.
In the far north, thousands of people in Tigray province are battling floods along the Tekezie river.
The eastern city of Dire Dawa has been declared a disaster zone.
The team of 35 US "Seabees" brought 52 big tents with them to house displaced people, the US military said.