# No U.S. Threats in 48 Hours as Iran Blockade and Overseas Tensions Shape Security Landscape
18 April 2026

# No U.S. Threats in 48 Hours as Iran Blockade and Overseas Tensions Shape Security Landscape

Terrorist Threat Tracker - United States

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In the past 48 hours, no credible terrorist threats or attacks have been reported within the United States, according to major news outlets like CBS News and Fox News. Domestic discussions continue to swirl around political rhetoric, with Techdirt reporting on April 17 that former President Trump is emphasizing far-left groups like antifa as primary domestic terrorist risks, despite data from the Center for Strategic and International Studies showing right-wing extremists responsible for 112 deaths in 152 attacks over the past decade. This contrasts with federal assessments prioritizing far-right dangers, though no imminent U.S. plots emerged.

Overseas tensions dominate headlines, potentially influencing U.S. security posture. CBS News detailed on April 17 that the U.S. maintains a naval blockade of Iranian ports, enforced by over 10,000 service members, 12 ships, and 100 aircraft under U.S. Central Command, which reported 21 vessels turning back since Monday. President Trump told CBS that Iran agreed to remove its enriched uranium stockpile, with joint efforts to transport it to the U.S., amid a two-week ceasefire expiring April 22—after which he warned bombings could resume if no deal is reached. Fox News confirmed Iran's announcement that the Strait of Hormuz is fully open to commercial vessels, easing global fuel prices following the blockade's pressure.

Related alerts include a U.S. Embassy warning via Media One Radio Group of possible attacks by Iran-aligned Iraqi militias in Baghdad within 24-48 hours, but nothing targeting American soil. U.S. strikes against Al Shabaab and Islamic State-Somalia, justified as counterterrorism, were noted by Cronkite News on April 17, underscoring broader military readiness.

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