Suspected gunman killed after shootout outside Dallas courthouse, Iran threatens to break nuclear deal limits on uranium stockpile, and boy survives shark attack off North Carolina coast.

Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m. CT (or check your local listings).

1:22 Gunman Dead After Shootout Outside Dallas Courthouse

3:26 U.S. Says New Photos Link Iran To Oil Tanker Attacks

4:05 Iran Threatens To breach Nuclear Fuel Limits Within 10 Days

4:38 U.S. Deploying Approximately 1,00 More Troops To Middle East

5:08 Family Accusing police Of Excessive Force To Sue For $10 Million

6:41 Off-Duty Officer Helps Rescue Resident From Home Explosion

7:09 8-Year-Old Boy Survives Shark Attack Off North Carolina Coast

8:31 New CDC Measles Advisory For Families Traveling Overseas

10:03 City Considers Fines For Parents Of Children Who Bully

11:35 Cory Booker Shares Plan To Give Every American Child 'Baby Bonds'

13:25 Fashion Icon & Heiress Gloria Vanderbilt Dies At 95

15:50 Inside OJ Simpson's White Bronco Chase 25 Years Later

22:38 Violent Turbulence During Flight Leaves 10 Injured

23:06 Mother Uses tracking App To Rescue Daughter Pinned Under Car

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