The vehicle was traveling west on Highway 76 around ½ mile from the Little Pee Dee River when the vehicle was overtaken by flood waters. The deputies transporting them managed to escape, but the women were unable to do so.
KOAA also reports that as of Wednesday morning, the van and the bodies of the women had not been recovered, but the process was underway or expected to be soon. "It's come up 2 feet since last night".
"They were trying to negotiate through fast-running water, and it just didn't work out", Richardson told the Associated Press.
In North Carolina, transportation officials Tuesday continued advising motorists who ordinarily might take southbound I-95 from Virginia to SC that flooding has made long sections of I-95 in North Carolina impassable.
"They got out and tried to open the van to get the ladies out", Thompson told reporters on Wednesday. Rescue teams plucked the deputies from the top of the van. He said it's typical for deputies to transport mental-health patients, and restraints aren't used if the patients aren't a threat. Holden wouldn't give further details on the victims' status, citing an ongoing state police investigation.
The South Carolina State Law Enforcement Division is now investigating the matter, according to the report.
The dam and roadway at Alton Lennon Drive in Boiling Spring Lakes, North Carolina is washed away.
State police spokesman Thom Berry told the AP that agents were on the scene aiding in the recovery effort.
Flood and Bishop have been placed on administrative leave, Thompson said.
"A Horry County Sheriff's Office transportation vehicle was involved in a high-water incident tonight". 'Just like you, we have questions we want answered'. The two deaths will push Florence's toll across three states to almost 40 victims.
President Donald Trump on Wednesday visited North Carolina, which is bearing the brunt of Florence's deadly deluge and where rivers are still rising while thousands of homes and roadways remain submerged.
Wilmington is still mostly an island surrounded by floodwaters, and people are waiting for hours for handouts of necessities like food.
The SCDOT added the driver of the vehicle had to go around a barrier to get stuck where they were.
After submerging North Carolina with almost one metre of rain, the storm dumped more than 16.5cm of rain in the Northeast, where it caused flash flooding.