The Caribbean storm — among the most powerful in history, with 185 mph winds — is expected to bring flash-flooding and landslides as it slowly moves across the island and heads north toward Cuba.

A video depicting a shark swimming through a flooded Jamaican street surpassed 2 million views as Hurricane Melissa made landfall.

Melissa has already killed three people in Haiti and Jamaica each and one person in the Dominican Republic. United Nations staff are preparing to deploy to Cuba and Jamaica this week as the region nervously awaits landfall of Hurricane Melissa.