WASHINGTON (AP) — The Latest on President Donald Trump and the shootings in Las Vegas

11:07 a.m.

President Donald Trump is delivering a message of unity in the wake of the deadliest mass shooting in recent U.S. history.

Trump says in a somber White House address that: “in moments of tragedy and horror, America comes together as one. And it always has.”

He says that “Our unity cannot be shattered by evil” and “our bonds cannot be broken by violence.”

At least 50 people are dead and more than 400 injured after a gunman opened fire on a Las Vegas country music festival.

Trump says he and first lady Melania Trump are praying for those who have been lost and wounded. He says they are praying “for the entire nation to find unity and peace.”

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11:03 a.m.

President Donald Trump says he will travel to Las Vegas on Wednesday.

He spoke Monday morning, hours after the shooting at a country music festival late Sunday killed at least 50 people and wounded more than 400. It is the worst mass shooting in American history.

Trump said the nation must stay unified. He said that although “feel such great anger at the senseless murder of our fellow citizens, it is our love that binds us today and always will.”

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10:55 a.m.

President Donald Trump is calling the mass shooting attack in Las Vegas “an act of pure evil.”

Trump says the nation is joined together today in sadness, shock and grief.

Trump is addressing the attack on a country music festival Sunday night that left at least 50 people dead and more than 400 injured.

Trump tweeted his “warmest condolences and sympathies” earlier Monday morning.

The gunman opened fire from inside the Mandalay Bay Hotel and Casino.

Authorities say 64-year-old Stephen Craig Paddock killed himself after the shooting. Police have yet to determine a motive.