Shipping giants are going dark in the Red Sea and turning off their tracking signals to avoid being detected

• Red Sea shipping has plunged into chaos amid attacks on vessels by Iran-linked Houthi rebels. 
• The region is a vital trade route between Europe and Asia. 
• Several major shippers, including BP and Maersk, have rerouted or delayed vessels. 

Merchant ships passing through a vital global trade route are turning off tracking signals in order to avoid attacks.