Good evening. I'm Jeff Bennett. And I'm Omna Nawaz. On the news hour tonight, the accused gunman at the White House Correspondence Dinner is charged with trying to assassinate the president. What we know about the Secret Service planning and response.

Iran offers to open the street of Hormuz if the U.S. ends its blockade.

And Judy Woodruff reports on a controversial push to divide the autism spectrum based on the severity of the diagnosis.

Parents like myself are exhausted. He has the potential to disappear completely from the conversation.

Welcome to the News Hour. The suspect who attempted to storm a press gala this weekend in Washington, D.C.,

has been charged with attempted assassination of President Donald Trump, among other federal weapons charges.

If convicted, he could face up to life in prison. Meantime officials today confirmed a Secret Service agent

wearing a bulletproof vest was shot during the incident and is expected to make a full recovery.

Our White House correspondent, Liz Landers, starts our coverage.

At a dinner celebrating the First Amendment and Freedom of the Press, at first muffled chaos,

then Secret Service agents sprinting towards the main stage. The vice president quickly

seized out of his seat and a frantic rush to encircle the president. Agents swarmed the

ballroom climbing over chairs and tables in search of officials in the presidential line of

succession. Escorting them out first is over 2,000 journalists, high-profile guests, and other government officials crouched under tables.

Just moments earlier in a hallway leading to the ballroom, a gunman stormed through the first layer of security.

A burst of gunfire followed. The suspect identified by officials

as 31-year-old Cole Thomas Allen was tackled to the ground. He was armed with two firearms and

knives. Allen sprinted at least 60 feet before he was apprehended, reaching the top of a staircase

that led to the ballroom. At the bottom of the staircase, a set of doors opened reaching the top of a staircase that led to the ballroom.

At the bottom of the staircase, a set of doors opened to the room with a clear vantage

point of the president.

Allen was charged with the attempted assassination of President Donald Trump, as well as

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