Why are the U.S. and state flags in Maryland and Virginia at half-staff today? Here's who they represent, and when they'll lower.

Flags were lowered to half-staff across Arizona on May 3-4 in honor of firefighters and police. See the difference between half-staff and half-mast.

Monday is the first of five remembrance days this year that Gov. Bob Ferguson has directed flags be lowered.

Flags at Wisconsin are flying at half-staff Sunday, May 3 in honor of the state's firefighters who have died in the line of duty, per an executive order from Gov. Tony Evers. Along with lowering flags statewide,