Both infants were killed by falling trees in North Carolina.
In Gaston County, a three-month-old boy died when a large pine tree fell across a mobile home, police said. The child’s father and mother were home but escaped unhurt.
It came after a mother and her eight-month-old child were killed when a massive tree crushed their brick house in Wilmington.
Officials said three people also died in separate, weather-related traffic accidents in South Carolina.
More than 30 inches (75cm) of rain has fallen across North and South Carolina since Friday, with tens of thousands of people evacuated from their homes.
Florence was downgraded from a hurricane soon after it made landfall on the US east coast.
However, while winds have weakened to about 35mph, the danger is now posed by torrential rain and flooding.
North Carolina governor Roy Cooper said: "The risk to life is rising with the angry waters."
US President Donald Trump said emergency workers and law enforcement officials were "working really hard".
التعليقات (0)