At least 13 people on the Caribbean island have also died from outbreaks of cholera since the storm, and around 61,500 people were in shelters, officials said. In the United States, the death toll rose to 17 people, and more than 2 million US homes and business lost power.With five people reported missing and rivers rising, North Carolina Governor Pat McCrory said he expected more deaths. McCrory says rescuers were looking for five people thought to be missing.
Officials were working to clear streets of fallen trees and abandoned vehicles.
In North Carolina, where at least eight people died, Governor Pat McCrory pleaded for outside help, asking the country not to be too distracted by the United States presidential campaign, now transfixed by a 2005 video of Republican nominee Donald Trump making vulgar comments about women. Pat McCrory said he expected the death toll to rise. In the tiny town of Nichols, S.C., downstream from Lumberton, at least 100 people spent the night on the third floor of the town hall.
McCrory said several swelling rivers were expected to hit record levels and would not crest for days.
The official toll is at least 336, according to a spokesman for Haiti's Civil Protection Service, Joseph Edgard Celestin. Robeson County, which includes Lumberton, had North Carolina's highest violent crime rate in 2014. Eight people in the state have died so far, he said, raising the count by one, and several rivers are swelling to records and will not crest for days.Many coastal and inland communities were still under water, either from coastal storm surge or overrun rivers and creeks, and unsafe conditions existed from downed power lines and damaged homes.All 2,000 residents of Princeville, the oldest town in the United States incorporated by African Americans, were told on Sunday afternoon to evacuate due to the risk of flash floods.Deputies went from house to house to spread the word about the mandatory order.
Many communities that are under water now may remain inundated through the end of this week.
Power is slowly being restored to the hundreds of thousands of South Carolinians left without power when Hurricane Matthew hit the state over the weekend.
All 2,000 residents of Princeville, were told on Sunday to evacuate due to flash flood risks.
The town, which was devastated by Hurricane Floyd in 1999, lies on the Tar River about 40 km north of Greenville.
A resident walks through flood waters next to a partially submerged auto on East Battery Street at the southern-most tip of the city as Hurricane Matthew hits Charleston, South Carolina October 8, 2016.
Swiftwater rescue teams are still on alert and there have been 255 water rescue calls and 701 people rescued.
"It was bad. They had nowhere to go."In Florence County, South Carolina, a vehicle trying to cross a flooded roadway was swept away by flood waters, killing one person, Governor Nikki Haley said".
Konta landmark after beating Keys in China Open semifinals
Andy Murray has clinched his first ever China Open title with a straight-sets victory over Grigor Dimitrov in the final in Beijing on Sunday.
In South Carolina, where almost 650,000 people are without power, state and city officials are urging residents to stay away as authorities assess the damage to bridges and roadways.
A home is seen as flood waters rise after Hurricane Matthew in Lumberton, North Carolina, on Sunday.
"I feel like my baby is getting worse", she said as she stroked his head and he whimpered.
"I am developing a new approach to the cholera situation and this will encompass support for people affected by the disease and for efforts to build sound water, sanitation and health systems in order to help eliminate cholera in Haiti", he said.
"We had a lot of rain, for many hours", said Capt.
The storm, which killed more than 500 in Haiti before it pounded the East Coast for days, was stripped of hurricane status just before daybreak, but the crisis set off by downpours of more than a foot was far from over. That brings the overall USA death toll from the storm to at least 21.
The storm still packed hurricane force winds as far as 150 kilometresfrom the centre and tropical-storm-force winds 390 kilometres away.
Damien Mosher and his fiance were trying to make it to their coastal home in SC but were detoured to Lumberton because Interstate 95 - a major artery for the East Coast - was closed.
Areas of Jeremie, Haiti, destroyed by Hurricane Matthew.
McCrory said that the Federal Aviation Administration has placed temporary flight restrictions over the city. "Now, people in eastern North Carolina are telling us we may have underestimated it".
River flooding was happening in other places, too.