CBS Evening News with Norah O'Donnell, 06/20/23

A race against the clock to find the submersible vessel that disappeared in the north Atlantic Ocean on Sunday, it was headed to the sunken wreckage of the titanic, experts say if the five people on board are still alive, they will run out of oxygen by Thursday morning. Several thousands of homes and businesses are without power in parts of the south, this comes at dangerous heat wave is breaking records across the region.