At 6:5438+02 pm EST, White House spokesman Jay Carney said that US President Barack Obama expressed deep sympathy for the families affected by the disaster. At about 3 pm EST, Obama made a televised speech and asked the White House to lower the flag at half mast to show respect for the dead. He said: "No matter what political differences exist, we will have to unite and take meaningful actions to prevent the same tragedy from happening again." We will have to unite and take meaningful actions to prevent more similar tragedies, regardless of political factors. )

Representative Jerrold Nadler, Democrat of new york, said it was time to talk more about gun control laws in the United States.

U.S. Secretary of Education Arne arne duncan said: "Shooting on campus is always a puzzling tragedy. I can't describe my inner pain and this barbaric attack in words. As the father of two primary school students, I can't imagine the harm and loss brought by this shooting to Newtown in the west. We pray for every parent, child, teacher, staff and official of Sandy Hook, and we thank every teacher, staff and emergency personnel who often take risks to take care of, appease and protect their children from harm. We will fully assist the western new city to recover from the pain. " Many countries and international organizations quickly expressed their condolences to the United States in various ways, including Australia, Azerbaijan, Canada, China, the Commonwealth, the European Union, France, Germany, Hungary, Iran, Israel, Japan, Lithuania, Malaysia, Mexico, Norway, Pakistan, the Philippines, Poland, Russia, Spain, Switzerland, Sweden, Turkey, Britain and the United Nations.