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.

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.

St. Louis Mayor Cara Spencer said protocol failures and a lack of clarity on responsibility caused sirens not to sound before Friday's deadly tornado.

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.

You can view how Friday’s confirmed EF-3 tornado ripped through St. Louis with this aerial map compiled by Chesterfield-based Surdex Corporation, a

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.

Comptroller Green addresses St. Louis' response to an EF-3 tornado, detailing emergency measures and ongoing recovery efforts.

Action St. Louis is collecting essential supplies at the O’Fallon Park Rec Complex to provide aid to families and businesses affected by recent tornadoes in St. Louis.

In north St. Louis, residents are staying in wrecked homes, keeping watch from their front yards and sleeping in their cars.