The U.S. Capitol went into lockdown on Friday after a suspect killed one Capitol Police officer and injured the other with a vehicle, according to the Capitol Police. Officials said the suspect was shot and killed.

Dr. Rochelle Walensky, director of Centers for Disease Control and Prevention, said on Friday that Americans who were fully vaccinated against Covid-19 could travel 'at low risk to themselves,' but should still wear masks.

A gunman opened fire at a Southern California real estate office on Wednesday, killing four people. In an update on Thursday, law enforcement officials said they recovered several items believed to have belonged to the suspect.

On the third day of the Derek Chauvin trial, the jury learned more about what had happened inside Cup Foods before the police were called, and body camera footage from the officers was presented.

Secretary of State Antony J. Blinken said on Tuesday that women's reproductive rights would be monitored by the United States, reversing a Trump policy that overlooked barriers for women seeking sexual health services worldwide.

On Tuesday, the White House called for more answers into the origins of the coronavirus, stating the report released by the World Health Organization lacked crucial data.

On Tuesday, President Biden signed an extension of the Paycheck Protection Program, citing its impact on helping small businesses.

While the W.H.O. report produced by an investigative team in China left many unanswered questions, it did suggest that the coronavirus probably emerged in bats.

Darnella Frazier, who was 17 years old when she filmed video of George Floyd's arrest, testified on Tuesday in the murder trial of Derek Chauvin, the former Minneapolis police officer charged in Mr. Floyd's death.

Dr. Rochelle Walensky, the director of the Centers for Disease Control and Prevention, delivered an impassioned plea on Monday for Americans to recommit to following coronavirus guidelines as infections increase across the country.