Watch Hurricane Matthew's devastating in New Channel | Channify

Florida under water: Entire towns are submerged by Hurricane Matthew's devastating flash floods as three are killed - and Georgia and the Carolinas wait their 'turn' Hurricane Matthew is bashing Florida's Northeastern course after submerging St Augustine in water St Augustine was among the worst hit, with videos and pictures showing water rising downtown Jacksonville's pier was ripped clean off, such was the force of Matthew's 100mph winds South Carolina and Georgia are waiting to be hit themselves overnight and into Saturday More than 20,000 people are in shelters across the state and 1,000,000 have been left with no power Gov Nikki Haley has warned residents of island Daufuskie who refuse to leave it will be 'underwater' More than one million people have been left without power, with millions more set to suffer Barack Obama has warned that we may not know the full effects of the storm for days It has claimed the lives of at least 800 people in Haiti; three have died in the US The hurricane was downgraded to a category 2 on Friday afternoon but was still gathering winds