NBC Nightly News with Tom Llamas

100 million Americans facing dangerous wildfire smoke; New flooding emergencies in Texas; Trump calls for new election security measures; and more on tonight's broadcast.

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Iceberg lettuce eyed in parasite outbreak; Midwest sees world's worst air quality as wildfire smoke spreads; Trump teleprompter operator betting allegations; and more on tonight’s broadcast.

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Tornado hits Texas during rush hour; Terrifying video of train trapped in wildfire; New video shows deadly boat sinking near Alcatraz; and more on tonight’s broadcast.

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Parasite outbreak spreads across U.S.; ICE temporarily halts vehicle pursuits after two fatal shootings in Maine and Texas; Trump backs off Strait of Hormuz toll plan as cost of Iran war mounts; and more on tonight’s broadcast.

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FBI agents search Sen. Graham’s D.C. home; U.S. strikes Iran for third night after Trump reinstates Iran blockade; ICE-involved shooting leaves one person dead in Maine; and more on tonight’s broadcast.

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