back to school. >> walensky says guidance tonight promising new strategy will be forthcoming. the number of new covid cases among children remains exceptionally high according to the american academy of pediatrics. they account for 25% of the weekly reported cases. the chief of chicago's police union is calling for officers to defy the requirement to report vaccination status. if enough officers refuse to comply, chicago will have a police force operating at 50% capacity or less by this weekend. officers who do not report their vaccine status tomorrow will be placed on unpaid leave in a city where deadly shootings tend to spike on weekends. several prominent labor unions have stood in the way of vaccine and mask requirements, which is just such a shame given the rates of deaths from covid for police officers. >> it's a real challenge for law enforcement. infections and disease and dying of this disease. breaking moments ago, police have been in touch with the suspect in that murderous bow