Video Duration 01 minutes 42 seconds

Red tide: Toxic algae bloom plagues Florida’s coastline

What’s killing sea-life and hurting tourism along the coastlines of Florida and the Caribbean?

Masses of seaweed and toxic algal blooms are choking the coastlines of Florida and the Caribbean.

The so-called “red tide” is the worst seen in more than a decade.

The algae and seaweed are hurting tourism, killing sealife and affecting people’s health.

Al Jazeera’s Andy Gallacher reports from Miami.