Did Prince William show support for remaining in the EU in this speech?

Questions have been raised as to whether the Duke of Cambridge has appeared to signal his support for Britain remaining in the EU during a speech at the Foreign Office.

Prince William was at the Foreign Office to present awards to embassy staff when he made the comments.

He told the audience Britain was "an outward looking nation" and said "our ability to unite in common action with other nations is essential".

Kensington Palace has said the Duke of Cambridge's comments were not a political speech.