Iranian state TV aired footage of a vessel called "RIAH" that it said was seized by Iran's elite Revolutionary Guards for smuggling fuel.
The U.S. navy and other ships are conducting search and rescue operations for a missing U.S. sailor in the Arabian Sea, the Bahrain-based U.S. Fifth Fleet said.
Gibraltar's Chief Minister Fabian Picardo had a "constructive and positive" meeting with Iranian officials in London about the detained oil tanker Grace 1, Gibraltar said.
The United States on Thursday demanded Iran immediately release a vessel it seized in the Gulf and a U.S. military commander in the region said the United States would work "aggressively" to ensure free passage of vessels through the vital waterway.
Poland's main opposition parties have formed two coalition blocs to vie for left-leaning and centrist votes ahead of a national election later this year, in the hope of denting the popularity of the ruling nationalist Law and Justice (PiS) party.
The United States is not currently looking at sanctioning Turkey over its purchase of Russian air defense systems, U.S. President Donald Trump said on Thursday, a day after the White House said the purchase made Ankara's presence in the F-35 program impossible.
Sudanese demonstrators on Thursday rolled out a banner honoring fallen protesters over a square where ousted president Omar al-Bashir held a large rally in his final months in power, a symbolic move that left some in tears.
U.S. Vice President Mike Pence on Thursday called out ally Saudi Arabia for the suppression of religious liberties and urged it to release Raif Badawi, a blogger imprisoned for insulting Islam.
British lawmakers on Thursday approved proposals to make it harder for the next prime minister to force through a no-deal Brexit by suspending parliament, showing again their resolve to stop a divorce from the European Union without an agreement.
The United States imposed sanctions on two Iraqi militia leaders and two former Iraqi provincial governors it accused of human rights abuses and corruption, the U.S. Treasury Department said on Thursday.