U.S. and Iranian officials held indirect talks in Oman last month with Omani officials shuttling between their separate rooms to deliver messages, three sources briefed on the issue told Axios.

Why it matters: The “proximity talks,” which haven’t been previously reported, represent the first known indirect engagement between the U.S. and Iran in this way in several months. They took place amid growing concerns in the White House about Iran’s nuclear advances.

[Is Biden about to start pushing Barack Obama’s Iran deal (the JCPOA) again? Is that why the Saudis are insisting that they’ll go nuclear with or without the US? — Ed]