Closing the Strait would spur a big rise in the price of oil, but analysts say shipping and air travel to the Middle East has already been hit and there may be other ways Tehran seeks to strike back against the US.

State Department memo warns that citizens of '36 countries' may face full or partial 'suspension of entry' if their governments do not resolve US concerns within 60 days

China has not budged on specialized rare earths, such as samarium, which are needed for military applications and outside the fast-track trade deal agreed in London

New Delhi has begun looking into the crash that is confounding aviation experts, focusing on the ill-fated plane's engine, flaps and landing gear

Notorious ethnic group in northeast Myanmar is guarding new Chinese-run rare earth mines in Shan State, where chemicals are used to flush the minerals out of local mountains, creating another toxic runoff concern for Thailand

There are over 1,100 787s in service around the world, and while there have been concerns over the plane's engines, this is the Dreamliner's first fatal crash

China has agreed to supply rare earth exports, while the US will drop some recent measures and allow Chinese students to access US universities under an initial trade deal discussed in London

Talks going well, Lutnick says; US officials are expected to drop restrictions imposed recently on a range of technology and other products to China in return for better access to rare earth exports

A new round of trade talks between US and Chinese officials got underway in London on Monday. They will focus on export controls on rare earths, chips and other issues.

A licensing system set up by China for exports of rare earth magnets gives it leverage similar to America's chip export controls because of its near-monopoly on the sector.

China has introduced a tracking system for rare-earth magnets; producers have to submit details online on trading volumes and client names, as it looks to curb access

China's failure to lift export curbs on critical minerals, as promised in Geneva, has heightened concerns by carmakers and other firms that rely on rare earths