Prosecutors in Florida will ask a grand jury to investigate the collapse of the Champlain Towers South, which has left at least 12 people dead and scores more missing. Miami-Dade County Mayor Daniella Levine Cava told reporters at a press briefing that she backs a probe by State Attorney Katherine Fernandez Rundle that would examine factors that led to Thursday’s collapse of the 12-story Champlain Towers South building in Surfside, where at least a dozen people died and 149 more remain missing. “I have pledged my full cooperation as she moves forward,” Cava said. “I will do—and my team will do—everything possible to aid them in their efforts to continue that investigation.” Rundle said she would bring the matter before grand jurors soon. “I am going to urge them to take a look at it,” she told the Miami Herald. “Whether they do or not, it’s completely their decision.” Rundle added in …