People are coming together to help Haiti after Hurricane Matthew devastated the island this week, killing more than 800 people and sending 61,500 to shelters.

The storm, which made landfall in Haiti on Tuesday , damaged up to 80 percent of homes in the south of the country, according to UNICEF. The new wave of destruction comes as thousands in the country remain homeless from the massive 2010 earthquake.

Hurricane Matthew made its way to the U.S on Friday, slamming into the Florida coast and leaving 300,000 households without power . Four U.S. states Florida, Georgia, South Carolina, North Carolina have declared states of emergency.

In Haiti, organizations and individuals have come together to provide much-needed short-term relief, as well as long-term support to rebuild after the storm.

This is the worst storm Haiti has seen in decades, UNICEFs Marc Vincent said in a release . Our first priority is to make sure children have enough safe water.

Heres how you can offer assistance: