Pakistan, Feb. 10 -- The United States (US) on Monday issued fresh guidance for commercial ships transiting the Strait of Hormuz, a vital maritime chokepoint for global oil supplies, amid simmering tensions between Washington and Tehran over Iran's nuclear programme.

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The advisory, issued by the US Department of Transportation's Maritime Administration, urges US-flagged commercial vessels to remain as far from Iran's territorial waters as possible while passing through the narrow waterway, provided navigational safety is not compromised. Part of the Strait of Hormuz falls within Iranian territorial waters and has previously been the site of maritime incidents involving comme...