Any U.S. interference in Tehran’s maritime rules in the Strait of Hormuz would be considered a violation of the current ceasefire, a senior Iranian lawmaker warned Sunday.

The U.S. military on Monday denied claims that Iran struck a U.S. navy vessel as American forces now offer to guide commercial ships through the Strait of Hormuz, where hundreds have been stuck since ...

Two American-flagged merchant ships have “successfully transited” through the critical waterway, the U.S. military said.