Iran vows retaliation against upcoming U.S. sanctions, while trade tensions escalate as the U.S. and Canada prepare reciprocal 50% tariffs. In the U.S., a lawsuit targets NIPSCO over storm-related power outages in Indiana, and Tropical Storm Moke approaches Hawaii. Additionally, a Texas judge denied a new trial for a teen convicted of murder, and Serena Williams returns to the U.S. Open in mixed doubles.