Toxic algae leads to closure of river areas near where California family died

• John Gerrish, Ellen Chung, daughter and dog found on 17 August
• Official: bloom in Merced River can make people and pets sick

The mysterious deaths of a family of hikers from northern California and their dog have led federal officials to close 28 miles along the Merced River, where high levels of toxic algae were detected.

Related: Hiking trail where California family was found dead closed due to ‘unknown hazards’

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source https://www.theguardian.com/us-news/2021/sep/04/toxic-algae-closure-merced-river-california-hiker-family-died