At least 28 people were killed after tornadoes hit Missouri, Kentucky and Virginia. Now, millions of people are bracing for another round of severe weather. St. Louis, Missouri Mayor Cara Spencer joins Ana Cabrera to detail the devastation her community is facing.

Clayton took the hardest hit in St. Louis County, but how did other suburbs fare in the wake of the devastating tornado?

U.S. Sen. Josh Hawley flew into St. Louis on Monday and headed to the 4200 block of Kossuth Avenue, an especially hard-hit area of north St. Louis.

Surrounded by destruction, Wayne Mason Sr. recalls hunkering down in his apartment on Bayard Avenue last Friday afternoon with his 21-year-old daughter as the tornado tore through.

The mayor of St. Louis said Monday that the Federal Emergency Management Agency (FEMA) hasn’t yet provided assistance on the ground—three days after a devastating tornado caused more than $1 billion in damage.

The EF3 tornado caused at least $1 billion in damage in the city of St. Louis alone. At the storm’s peak, more than 100,000 lost power. Five people were confirmed dead and dozens of residents were hospitalized with injuries.

Mayor Cara Spencer blamed the lack of sirens on "human failure," including a combination of a lack of clear protocols on roles and responsibilities.

On Friday afternoon, an EF-3 tornado struck parts of St. Louis City and County, leaving at least five dead, dozens injured, an estimated 5,000 buildings

Gwen Hudgins had lived in her North St. Louis home for more than 30 years before Friday’s fast-moving tornado leveled it, leaving memories buried under rubble.