Harmful 'red tide' hits Dubai beaches

Beaches in the Gulf tourism hub of Dubai have been plagued by a bloom of algae known as the "red tide" that has killed fish and is potentially harmful to humans, a municipality official said on Tuesday.

Tongans warned of acid rain after volcanic eruption

A toxic cloud spewing from an erupting volcano in Tonga could dump acid rainfall across the Pacific kingdom, potentially poisoning drinking water and damaging people's skin and eyes, emergency services have warned.

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