The Red Cross has confirmed it has made its first contact with the Russian envoy attempting to bring aid into the Ukraine.
Meanwhile the Russian foreign ministry has been in phone contact with their Ukrainian counterparts and the Red Cross about transferring humanitarian aid into the country, Reuters reports.
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The man, who was in his 30s, has not been identified, while several other people are believed to have suffered serious injuries.
The Olympian was one of several sports stars who opened up to the prince during an event for his mental health charity Heads Together.
There will be sunny spells, with temperatures peaking at 23 Celsius (73F). However, Northern Ireland will experience frequent showers.