(MSC News)--Kansas Governor Laura Kelly has directed flags across the state to be lowered to half-staff from sunup to sundown Wednesday to honor those who lost their lives in the terrorist attacks on September 11th, 2001.

Wednesday marks the 23rd anniversary of those attacks, which killed nearly 3,000 people and injured thousands more.

The governor also said she wants everyone to remember "the bravery and courage of our nation- first responders." More than 400 first responders - firefighters, police officers, EMTs and others - were killed in the attacks.