Saudi Arabia, the world’s biggest crude exporter, said on Wednesday that an Iranian attack on an oil tanker owned by its national shipping company had killed two Filipino seafarers. Sidr, owned by Bahri, was one of two supertankers carrying Saudi oil reported to have been hit late on Monday while transiting the Strait of Hormuz. Tehran has threatened tankers attempting to sail through the narrow waterway without authorisation, impeding energy exports from neighbouring oil-rich Gulf...