US President Joe Biden and First Lady Jill Biden will visit with the families of victims of the collapsed Miami-area condominium tower. the site of the Florida Condo collapse on Thursday,

The death toll after the condo collapse has reached 12 on Tuesday after a victim was found on the rubble. 149 victims are still inside the debris of the rubble with minimum chances of survival.

Crews from across Florida and from Mexico and Israel have descended on Surfside to join the effort. More than 400 rescue workers are at the scene, rotating in and out from the rubble every 45 minutes during 12-hour shifts. At any given time, six or seven squads — each with six members — tramp over the mountain of debris or tunnel into it

No one has been rescued alive from the rubble since the first hours after the building collapsed last week.

“Those first responders are breaking their backs trying to find anybody they can,” Gov. Ron DeSantis said Tuesday.

Florida officials say they have requested help from the federal government as they near the end of the sixth day searching the rubble of a collapsed Florida condo building.

Biden has offered federal help and extended his concerns to the community as people “grieve their lost loved ones and wait anxiously as search and rescue efforts continue,” as he said in one tweet.

“They want to thank the heroic first responders, search and rescue teams, and everyone who has been working tirelessly around the clock and meet with the families who have been forced to endure this tragedy waiting in anguish and heartbreak for word of their loved ones," White House press secretary Jen Psaki said according to the Associated Press.