Washington is urging Tehran to publicly assure safe passage through the Strait of Hormuz. The demand has become a test of the ceasefire as Iran's internal rifts cloud permanent peace talks.

Prior to this week's attacks, daily tanker traffic had risen to its highest since the war began, averaging 40 ships transiting the strait.

LONDON, July 10 - Countries should reject efforts by Iran to impose sovereignty over the Strait of Hormuz and Tehran's \"unilateral decision\" to create a body to control traffic through the waterway, the U.N. shipping agency's governing council agreed on Friday. Read more at straitstimes.com. Read more at straitstimes.com.

LONDON, July 10 - Countries should reject efforts by Iran to impose sovereignty over the Strait of Hormuz and Tehran's \"unilateral decision\" to create a body to control traffic through the waterway, the U.N. shipping agency's governing council agreed on Friday. Read more at straitstimes.com. Read more at straitstimes.com.

Iran has told Washington that recent attacks on shipping in the Strait were from "an errant part of their system," one senior official said.

The governing council of the United Nations’ International Maritime Organization, IMO, has called on countries to reject Iran’s attempt to assert control

The U.S. demands Iran publicly declare the Strait of Hormuz open and safe for shipping amid ongoing tensions and negotiations.

The U.S. demands Iran publicly declare the Strait of Hormuz open and safe for shipping amid ongoing tensions and negotiations.