The incident did not result in any injuries, the police said. The suspect has been charged with hate crimes.

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The television host pleaded for the public’s help in finding her mother, Nancy, who disappeared from her Arizona home last week. “We are at an hour of desperation,” she said.

The mother of the “Today” show host Savannah Guthrie has not been heard from since an evening of dinner and games with family members.

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The authorities confirmed that blood on Ms. Guthrie’s doorstep belonged to her. Her daughter Savannah, the “Today” anchor, released a video asking for proof that her mother is alive.

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