Nation Biden warns Tropical Storm Ian could be ‘deadliest’ in Florida history; 2.6M without power: Live updates September 29, 2022September 29, 2022Celina Tebor, USA TODAYComments Off on Biden warns Tropical Storm Ian could be ‘deadliest’ in Florida history; 2.6M without power: Live updates A section of the Sanibel Causeway collapsed into San Carlos Bay, cutting off access to the barrier island. Tropical Storm Ian updates.