Iran announced it is closing the Strait of Hormuz in response to US-involved strikes on Iranian targets. Reports indicate Iranian military authorities have announced the closure to all vessels and threatened to target ships attempting passage, though the official status and enforcement of this announcement remain unclear. The US military has conducted strikes targeting Iranian military installations, but details about the scope and timing of these operations vary across reports. The Strait of Hormuz carries roughly 20% of global oil shipments — a closure would disrupt energy markets and raise fuel costs globally, though the practical feasibility and duration of Iran's announcement remain unclear given past similar threats.