British-operated oil tanker seized by Iranian forces, U.S. citizen accused of becoming ISIS sniper and training fighters in Syria, and searing heat grips much of the U.S.

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 Iran Seizes British Tanker, Second Ship In New Provocation

3:59 U.S. Citizen Arrested, Charged With Helping ISIS

5:14 No Letup: Heat Wave Affects 190 Million People

7:45 No Suspension For NFL Player Accused Of Child Abuse

9:30 Parents Get Foster Care Threat Over School Lunch Debt

11:06 Nursing Home Chain Collapses, Residents Pay The Price

15:12 Study: More Women Using Marijuana During Pregnancy

16:59 Man Makes Daring Climb Down Building During Fire

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