United Kingdom, Sept. 12 -- Prince Harry made a surprise trip to Ukraine after "checking with [his] wife".

The Duke of Sussex has been in the UK this week for a number of engagements but rather than travel back home to California as expected, he visited Kyiv following an invitation from Olga Rudnieva, the founder and CEO of the Superhumans Trauma Centre in Lviv, who he had met in New York.

He told The Guardian newspaper: "I bumped into Olga in New York. It was a chance meeting and I asked her what I could do to help. She said 'the biggest impact you have is coming to Kyiv'. I had to check with my wife and the British government to make sure it was OK. Then the official invitation came.

"In Lviv, you don't see much of the war. It is so ...