The US military and Gulf nations have begun escorting oil tankers through the Strait of Hormuz in the daytime, the first such escorts since the short-lived Operation Project Freedom in May.

The US military and Gulf nations have begun escorting oil tankers through the Strait of Hormuz in the daytime, the first such escorts since the short-lived Operation Project Freedom in May.

Rising tensions in the Strait of Hormuz and the Red Sea are threatening key global shipping routes. Here's the latest on what's happening and what it could mean for energy markets.