President Trump addresses the nation on the Iran war, but does not offer a definitive timeline on how the war could wrap up. Plus, NASA's historic Artemis II mission lifts off, sending astronauts on a journey around the moon.

World leaders respond after President Donald Trump announced a two-week ceasefire with Iran amid global calls for diplomacy.

There was no sign Iran was lifting its near-total blockade of the strait, which has caused the worst-ever disruption to global energy supplies.

Maritime traffic through the Strait of Hormuz — a vital route for exports of oil, natural gas and other commodities from the Persian Gulf — remains severely constrained by Iran, even after a US-Iran ceasefire took effect on April 8.