State Department says Karnakis & Karnakis 'set up shell companies' to hide origin of Iranian ships, allowing Tehran to sell millions of barrels of oil

Prosecutors say one defendant took orders from Iran's Quds Force; one of the targeted men, Volker Beck, calls for Iranian ambassador's expulsion from Germany

UK agency says Singaporean-flagged ship hit by projectile and sank; unclear if two statements refer to same vessel