pleading that god, let there be a miracle let there be something happen for me that s good. reporter: in briefings, president biden pledging federal funds to cover all state and county costs. because we re committed not only to recover but to restore the safety across the board. reporter: the death toll stands at 18. four of those the guara family daughters lucia, aged 10, and 4-year-old emma, now the youngest confirmed victims. just eight minutes before the tower fell, this video shows what seems to be water spilling into the parking garage, shocking adriana sarmiento and husband roberto. my wife say oh, baby, i think that building is going to collapse. reporter: the couple hit by debris as they ran for cover. oh my god reporter: and tonight the surfside mayor says rescue efforts at the collapse site back up and running at full power. meanwhile, all eyes turn to a tropical storm that currently has south florida in its path lester the last thing they