European countries are preparing a meeting to restore navigation in the Strait of Hormuz.
Reuters reported it may be held Thursday in Paris or London.
The goal is to plan a maritime mission for shipping safety.
A French source said the mission will be non-escalatory.
It will focus on reassuring global shipping routes.
Iran and United States will be informed.
They will not be directly involved.
Iran warned against military intervention.
It said it would threaten energy security.
An official said Donald Trump would not succeed militarily.
The development comes as a US naval blockade begins.
It reflects rising tensions in the region.
