Three Indian seafarers are still missing after 21 other Indian mariners were rescued following an attack on their tanker off the coast of Oman, India’s foreign ministry said on Wednesday. “We condemn the attack on the commercial vessel Settebello off the coast of Oman, earlier today,” the ministry said in a statement. “Our embassy in Oman is closely monitoring the situation and proactively coordinating with the Omani authorities in the ongoing search and rescue operation.” Maritime officials said the oil products tanker had been hit in a suspected US missile strike. A Palau-flagged chemical/oil products tanker reported an engine room fire 20 nautical miles northeast of Oman’s port of Sohar, the United Kingdom Maritime Trade Operations agency said earlier on Wednesday.For all the latest headlines, follow our Google News channel online or via the app.Settebello was partially laden and last located off Oman’s coast on June 1, according to the MarineTraffic ship-tracking platform.The United States began a blockade of Iran-related shipping on April 13 after Iran severely curtailed shipping through the Strait of Hormuz, a major global oil and gas route.US Central Command said as of June 8 US forces had disabled seven non-compliant vessels, redirected 134 others which complied, and allowed 42 vessels supporting humanitarian aid to pass.There have been no reports of fatalities stemming from these operations.US forces disabled the unladen Marivex oil tanker in the Gulf of Oman on Monday after it attempted to sail to an Iranian port in violation of the ongoing blockade against Iran, the US military said.Ships being targeted include Iranian vessels as well as so-called shadow fleet tankers, which are typically older vessels without Western insurance used to transport sanctioned oil and sailing under the flags of various nations to obscure their true ownership, cargo and movements.Read more: