Mojtaba Khamenei (center), the son of the killed Ayatollah Ali Khamenei, participates in the annual Quds Day rally in Tehran, Iran, on May 31, 2019. Rouzbeh Fouladi/Middle East Images/AFP via Getty Images hide caption

Rouzbeh Fouladi/Middle East Images/AFP via Getty Images

The war with Iran entered its 13th day Thursday, as Iran issued what it said was the first message from its new supreme leader, while attacks on commercial ships spread to Iraq's waters and oil prices climbed back above $100 a barrel.

In the statement that Iranian media attributed to Supreme Leader Mojtaba Khamenei , Iran vowed to keep the Strait of Hormuz closed and keep up attacks on U.S. bases in the region. Another person was heard reading out the remarks, with a photo of Khamenei posted on the TV screen, as the statement was broadcast around the world.

Iranian and Lebanese health officials and Israeli authorities have reported more than 1,300 people killed in Iran, 687 in Lebanon and 12 in Israel. Seven U.S.…