Iran signaled moves to reclose the Strait of Hormuz on April 8, 2026, after claiming violations of a newly announced ceasefire agreement with the United States.

Officials in Tehran said the decision was linked to continued military activity in the region, which they argue undermines the terms of the ceasefire reached earlier in the day. The Strait of Hormuz, a key global shipping route, had only recently seen movement toward reopening following the agreement.

The renewed restrictions come amid rising uncertainty over the stability of the ceasefire, with tensions continuing across multiple fronts.

While details of enforcement remain limited, the move reflects Iran’s response to what it describes as breaches of the agreement, signaling that the situation remains volatile despite diplomatic efforts.