Tonight breaking news as we come on the air a deadly mass shooting at a

supermarket in Arkansas at least three people killed 10 wounded the dangerous heat

alerts impacting more than 110 million people from California to the northeast and the major

Supreme Court ruling on guns. First the images coming in chaos at a

supermarket south of Little Rock. A gunman opening fire on victims at least three people

killed two police officers among the 10 wounded. Customers running from the

store and what we've just learned about the suspect late today

Pierre Thomas standing by. Also tonight 15 states under heat alerts from coast to

coast New York issuing its first air quality alert of the season, Amtrak and

thousands of commuters struggling with delays along the Northeast Corridor,

some areas facing triple-digit temperatures, Ariol Reschiff at Penn Station, and the new

tropic threat forming along the East Coast, the system possibly gaining

strength this weekend, thunderstorms, heavy rain, and winds. Our

weather team timing it out. Family tragedy in Florida, a

couple swept away by a rip current while on vacation with six children. The

Supreme Court ruling on a major gun case upholding a law banning people under domestic violence restraining orders from having a firearm.

The law meant to protect victims of domestic abuse, the justices overwhelming decision, and what's next for the

High Court.

ABC News exclusive, the couple electrocuted in a hot tub at a Mexican resort.

The husband killed his wife injured and now telling her story for the first time.

News tonight about an American tourist killed by a charging elephant thrown from the vehicle

she was riding in.

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