Tonight, as older Americans are getting vaccinated, younger Americans are getting infected by

coronavirus variants, the race to contain a spring surge.

A vaccine record, 4 million doses in just one day.

But the CDC says it's young people driving spikes nationwide.

The new COVID hotspot in Michigan, where the number

of new infections is five times higher in less than two months. Plus, the new cleaning guidelines

to prevent the spread of COVID-19. Derek Chauvin's former boss testifies the Minneapolis police chief

who fired the officer, says Chauvin absolutely

violated policy by keeping his knee on George Floyd's neck for more than nine minutes. Plus,

the ER doctor on what killed Floyd. Fear of collapse, the danger tonight at a Florida reservoir

that could unleash millions of gallons of contaminated water. The danger tonight at a Florida reservoir that could unleash millions of gallons

of contaminated water, the state of emergency and evacuation orders. Understaffed, struggling,

and in mourning. Capital police officers plead for more resources after another deadly attack.

Tonight, new details on the suspect who ran down two officers and the knife he was carrying.

Crisis set the border.

We traveled to Central America where a mother tells us why she's leaving her three children behind.

Hundreds of hikers evacuated after lava flows from a volcano in Iceland.

And truly March Madness, the buzzer beaters, and the coach who lost the championship but won the weekend just by being a mom.

This is the CBS evening news with Nora O'Donnell, reporting from the nation's capital.

Good evening and thank you for joining us.

We are going to begin tonight with new fears.

The U.S. is at the beginning of a fourth wave of coronavirus infections, this time fueled by young people.

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