Image copyrightREUTERSImage captionThe hurricane is expected to hit the US around the weekend after passing north of Puerto Rico Hurricane Irma has caused a trail of destruction across parts of the Caribbean, battering a number of islands and reducing buildings to rubble.
It is predicted to head north-west towards the US mainland by the weekend, but what lies in its path before that?
How big and powerful is Hurricane Irma?
Irma is
