"I never filed a police report and it took me 30 years to tell my parents," the actress Alyssa Milano tweeted.
"We have more than 12 credible victims, or credible potential victims," Orange County District Attorney Tony Rackauckas said.
Duke Energy can't rule out that ash might be escaping and flowing into the river.
The Texas political rivals are locked in a tight race ahead of the high stakes November primaries. If elected, O'Rourke would be the first Democrat to represent the deep-red state since the early 1990s.
The ReCell product will transform how burns are treated, its developers say.