Experts say covert transfers at sea are used to obscure the origins of oil that left Iranian ports and the Gulf of Oman before the blockade was imposed.
Tense relations soured further after Ukraine accused Israel of buying grain harvested by Russia in occupied territory. Meanwhile, Russia and Iran have grown closer.
Relations between the United States and the Vatican are at a low point over President Trump's attacks on Pope Leo, who is a leading critic of the war in Iran.
The airstrike on the Haret Hreik neighborhood targeted the leader of the Radwan forces, Hezbollah's elite and battle-hardened fighting unit, Israeli authorities said.
More than 140 people remain on the Hondius, which will take about three days to reach the Spanish archipelago for screening. A local official has criticized the plan.
It's the third consecutive month that multiple models have predicted that a potentially record-breaking El Niño could drive global temperatures to new highs.
Ilya Remeslo was put in a psychiatric hospital after criticizing Vladimir Putin. Now free, he said that he will not stop his crusade against the Russian president.
The criticism of the pontiff's stance on Iran highlighted what Vatican officials have described as an unprecedented low in relations with the United States.
The defense secretary says the ceasefire holds despite Iranian attacks on U.S. forces. He said the United States would call on allies to take over the mission to reopen the waterway.