At a news conference Monday, U.S. President Donald Trump seemed to threaten intensified action on Iran if the country made any “attempt to stop the globe’s oil supply."

Live Nation has agreed to sell up to 13 of its concert venues and put a 15% cap on service fees for event organizers.

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The agreement would allow the concerts-and-ticketing company to avoid being split up, but some states object to it.

Follow live updates and the latest news coverage as the U.S. and Israel strike Iran, Tehran hits back across the Gulf, and Americans are stranded in the Middle East.

New explosions rang out in Tehran as Mojtaba Khamenei, son of Ayatollah Ali Khamenei, emerged as a successor to his assassinated father as Iran’s supreme leader.