Debris is seen after the partially collapsed Champlain Towers South residential building is demolished, in Surfside, Florida, U.S., July 4, 2021.

Debris seen at the site after the partially collapsed Champlain Towers South residential building is demolished, in Surfside, Florida, U.S., July 4, 2021.

A Miami-Dade County police officer looks on ahead of the demolition of the partially collapsed Champlain Towers South residential building in Surfside, near Miami Beach, Florida, U.S. July 4, 2021.

Stephanie Rioja reacts with twins Leonardo and Melannie as the partially collapsed Champlain Towers South residential building is demolished ahead of the possible arrival of Tropical Storm Elsa in Surfside, near Miami Beach, Florida, U.S. July 4, 2021.

Smoke is seen after partially collapsed Champlain Towers South residential building is demolished, in Surfside, Florida, U.S., July 4, 2021.

The partially collapsed Champlain Towers South residential building is demolished, in Surfside, Florida, U.S., July 4, 2021.

A woman looks on after the partially collapsed Champlain Towers South residential building was demolished ahead of the possible arrival of Tropical Storm Elsa in Surfside, near Miami Beach, Florida, U.S. July 4, 2021.

Smoke is seen after the partially collapsed Champlain Towers South residential building is demolished, in Surfside, Florida, U.S., July 4, 2021.

A police boat patrols before the demolition of the partially collapsed Champlain Towers South residential building, in Surfside, Florida, U.S., July 4, 2021.

General view of the area after the partially collapsed Champlain Towers South residential building is demolished, in Surfside, Florida, U.S., July 4, 2021.

View of the partially collapsed residential building as rescue operations are stopped, in Surfside, Florida, U.S., July 4, 2021.

People gather to watch the partially collapsed Champlain Towers South residential building being demolished ahead of the possible arrival of Tropical Storm Elsa in Surfside, near Miami Beach, Florida, U.S. July 4, 2021.

Smoke is seen after the partially collapsed Champlain Towers South residential building is demolished, in Surfside, Florida, U.S., July 4, 2021.

Debris is seen after the partially collapsed Champlain Towers South residential building is demolished, in Surfside, Florida, U.S., July 4, 2021.