proof of vaccinations for indoor dining and other public venues. the delta variant sending case numbers soaring. 91% of americans now living in areas with high or substantial community spread. but vaccination rates ticking back up nationwide m and developing late tonight, president biden calling the surge a largely preventable tragedy. also breaking out of washington, the white house expected to announce a new eviction moratorium to help people struggling in the pandemic. what we re learning about the latest plans to help renters stay in their homes. the pentagon put on lockdown. a police officer dead, law enforcement shooting and killing a suspect. late details just coming in. harrowing moments caught on camera. new video showing what first responders witness as they arrived at the deadly surfside building collapse. stranded passengers. in a new wave of flight cancellations, one day after widespread groundings nationwide, the latest from spirit and american airlines.