The U.S. military said it would block shipping traffic in and out of Iran¡¯s ports starting at 1400 GMT on Monday, a move that would prevent roughly 2 million barrels of Iranian oil a day from entering the world¡¯s markets, further tightening global supply.

Here are details on the planned blockade and its implications for oil markets.

After weekend peace talks in Islamabad between negotiators from the U.S. and Iran ended without a deal, U.S. President Donald Trump ?said the ?U.S. Navy ¡°will begin the process of BLOCKADING any and all ships trying to enter, or ?leave, the Strait of Hormuz.¡±