Eight dead as South Carolina hit by 'once in a millennium' floods

• Governor Nikki Haley calls on people to stay inside their homes
• Eight weather-related deaths reported in Carolinas as scores rescued

A "once-in-a-millennium" downpour has flooded large parts of South Carolina, causing at least seven deaths.

The storm had dumped more than 18 inches (45 cm) of rain in parts of central South Carolina by early Sunday. The state climatologist forecast another 2 to 6 inches (5 to 15 cm) through Monday as the rainfall began to slacken.