"What happened here today is a terrible tragedy and I’m heartbroken that this awful incident occurred in one of our schools."

Knox County Schools Superintendent Bob Thomas on the fatal shooting at a Knoxville, TN high school.

"We cannot afford to make mistakes that lead to the loss of life of other people in our profession."

Brooklyn Center, Minnesota Mayor Mike Elliot on the fatal police shooting of Duante Wright, an unarmed 20-year-old black man, during a traffic stop.

"This vaccine may be a good vaccine in terms of covering all different types of strains."

Dir. of Emerging Infectious Diseases Branch, Dr. Kayvon Modjarrad, Walter Reed Army Institute of Research, on the Army testing a new Covid-19 vaccine.

"There’s unity and ambition for a joint diplomatic process."

Deputy Secretary General Enrique Mora, European Union’s diplomatic service on new talks between America, Iran and European counterparts concerning the “Iran Nuclear Deal.”

"In most situations, regular cleaning of surfaces with soap and detergent, not necessarily disinfecting those surfaces, is enough to reduce the risk of COVID-19 spread."

CDC Director Dr. Rochelle Walensky describing why the CDC updated its guidance for cleaning and disinfecting surfaces given the low risk of COVID-19 transmission.

"We're talking about the potential of about (480) million gallons, within a matter of seconds and minutes, leaving that retention pool and going around the surrounding area,"

Manatee County Administrator Scott Hopes near Tampa Bay, Florida – where a wastewater reservoir threatens to fail, raising fears of a “catastrophic flood.”