The teenager on board the missing Titan submersible is a student in Glasgow.
19-year-old Suleman Dawood had just completed his first year at the business school of Strathclyde University, before joining his father and three others on a tour to the wreck of the Titanic.
The First Minister and the university’s principal say their thoughts are with the families and loved ones of those still missing.
An aircraft from RAF Lossiemouth is now joining the international search.
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