we're tracking extreme weather in europe. fires in greece and turkey, and now flash floods there. the urgent search tonight in northern turkey. hundreds unaccounted for. flash floods caused by torrential rain, pushing rivers over their banks. mudslides, buildings collapsing. dozens have died. and hundreds forced to evacuate. in part of supermarket collapsing. four injured. when we come back, so-called murder hornets are back in the u.s. and what tony bennett's family has revealed about his future.