What to know

• The ​United States threatened Thursday to target ally Oman if it helped impose a tolling system in the key Strait of Hormuz, warning of sanctions against all parties involved in such actions. The United States and Iran also accused each other of violating an o...S1
• Iran accused the United States on Tuesday of breaching a fragile ceasefire with strikes near the Strait of Hormuz, threatening efforts to end nearly seven weeks of conflict. Washington said the attacks were defensive, targeting missile sites and vessels allege...S2