As fentanyl crisis plagues Los Angeles schools, major busts reported in Arizona and Colorado

The battle against the nation's fentanyl crisis was on full display this week, as authorities made major busts in Arizona and Colorado. In Los Angeles, meanwhile, education officials were contending with a string of student overdoses.

The Phoenix Police Department reported Friday that its officers had nabbed more than one million fentanyl pills and arrested two people in the biggest seizure in the city's history.

In Mack, Colorado, on Wednesday, just east of the Utah state line, deputies conducting a traffic stop discovered about 90,000 fentanyl pills in a vehicle, along with 2.4 pounds of fentanyl powder, the Mesa County Sheriff's Office reports. A 22-year-old driver was arrested.