WASHINGTON, April 10 -- The US wants specific commitments from European allies on their pledge to help secure the Strait of Hormuz after the fighting in Iran stops, requesting that the countries present concrete plans to ensure navigation through the waterway within days, according to a senior Nato official. The request was presented during discussions between American and Nato officials at the White House - where President Donald Trump met with North Atlantic Treaty Organization secretary general Mark Rutte - as well as at the Pentagon and State Department, according to the official. A UK-led coalition of more than 40 countries, which includes many European nations, Japan and Canada, has pledged to help re-open the Strait of Hormuz, throug...