‘Grueling` rescue effort continues at Surfside condo. Tunnels and voids discovered overnight
(Sun-Sentinel Miami Dolphins Blog)

Search-and-rescue efforts entered day seven at the Champlain Towers South condominium in Surfside. Searchers overnight reported finding tunnels with pockets of air, even as they reported the discovery of more victims. The official count of fatalities rose to 12 Tuesday night.