A rare Particularly Dangerous Situation warning has been issued for Southern California as a powerful and potentially damaging Santa Ana wind event​ is expected.

More Santa Ana winds are expected in California, which is still reeling from the wildfires in Los Angeles County. As the winds intensify, experts are also warning of hidden health risks in the air. Reporter Sarah Alegre has more.

President Donald Trump will visit southern California this week amid looming winds and threats of new flames with tens of thousands of acres torched and buildings destroyed, according to reports.