Hurricane Earl battering the coast
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Hurricane Earl now 'category 4'

A storm moving through the eastern Caribbean has strengthened to a Category Four hurricane, prompting warnings for several islands.

Hurricane Earl is generating sustained winds of 215km/h (135mph).

Forecasters say it is a major hurricane and could cause "catastrophic" damage if it hits land.

Scott Stripling from the US-based National Hurricane Center told the BBC what to expect from the storm.

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