Officials said there is a risk of further flash flooding in Colorado as residents attempt to recover from the worst floods to hit the state for almost 40 years.
More downpours are forecast on Sunday following five days of unprecedented rainfall that has destroyed homes and washed out bridges and roads.
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Villarrica - one of Chile's most active volcanoes - has erupted, forcing the evacuation of nearby communities.
Footage showing the "truly shocking" moment a teenager was stabbed to death as he rode his bike with friends has been released.
Drinking three to five cups of coffee a day could reduce the risk of clogged arteries and thus heart attacks, a study has found.