Escalating U.s.-iran Tensions Threaten Strait of Hormuz Safety

WHO:

CNBC - Dimitris Maniatis, CEO of Marisks, a maritime risk services firm.

CNBC - Jakob Larsen, chief security officer at BIMCO, a major shipping association.

NPR - John Canias, maritime operations coordinator with the International Transport Workers Federation.

NPR - Gregory Brew, senior analyst at Eurasia Group.

NPR - Todd Huntley, director of the National Security Law Program at Georgetown University.

NPR - Ami Daniel, CEO of Windward, a maritime intelligence group.

NPR - Nitya Labh, fellow in the International Security Program at Chatham House.

NPR - Pete Hegseth, U.S. Secretary of Defense.

WHAT:

CNBC - At least nine ships have come under attack since July 6.

CNBC - One seafarer was killed and three were injured in an attack on the crude oil tanker Al Bahyah.

CNBC - Eleven mariners were injured in an attack on the Mombasa B.

NPR - Over 100 ships out of more than 600 in the area managed to evacuate during an operation announced by the IMO.

NPR - At least seven people were killed and 20 wounded in the latest U.S. strikes on Iranian infrastructure.

NPR - 38 people have been killed and over 400 wounded in Iran in the past week due to the conflict.

NPR - Oil prices jumped 10% this week due to the escalation.

WHERE:

CNBC - Strait of Hormuz, a critical international waterway.

CNBC - Oman's coast and Iran's Kharg Island.

NPR - Hormozgan province in Iran.

NPR - Iranian port of Chabahar in the Gulf of Oman.

NPR - Al-Tanf in Syria, a former U.S. military outpost.

NPR - Kuwait, Bahrain, Oman, and Iraq's Kurdistan region.

WHEN:

CNBC - Attacks on ships began on July 6.

NPR - The U.S. military reinstated a blockade on ships entering or exiting Iranian ports earlier this week.

NPR - The U.S. and Israel began the war on Iran on February 28.

WHY:

CNBC - Iran is trying to force vessels to navigate through its territorial waters rather than a route along Oman's coast protected by the U.S. military.

NPR - The ongoing fighting is largely over control of the Strait of Hormuz.

NPR - Iran seeks to impose a toll on cargo and oil vessels moving through the strait.

HOW:

CNBC - Iranian attacks have used anti-ship missiles.

NPR - The U.S. military struck Iranian air defense sites and military logistics infrastructure.

NPR - The U.S. military disabled an unladen oil tanker that ignored warnings while transiting international waters.

(UPDATED July 17, 2026 22:20 UTC)

At least nine ships have come under attack in the Strait of Hormuz since July 6, with one seafarer killed and three injured during an assault on the crude oil tanker Al Bahyah. The U.S. military has reinstated a blockade on ships entering or exiting Iranian ports and has conducted strikes on Iranian infrastructure, resulting in at least seven deaths and 20 injuries. As tensions escalate, oil prices have surged by 10% this week, reflecting the ongoing conflict over control of this critical waterway.