President Donald Trump says Israel and Lebanon have agreed to extend a ceasefire between Israel and the Hezbollah militant group by three weeks after talks at the White House.

The leader of Iran’s joint military command has threatened to halt trade in the Gulf region if the U.S. does not lift its blockade of Iranian ports, while U.S. Central Command says no vessels have made it past U.S. naval forces during the first 48 hours of the blockade.

Pakistan’s army chief is meeting with Iranian officials for talks in Tehran in the latest diplomatic move to ease tensions in the region and arrange a second round of negotiations between the United States and Iran.

Lebanon and Israel have held direct diplomatic talks for the first time in decades.

Diplomats are working through back channels to arrange more talks between the United States and Iran.