Lord Rennard has welcomed the end of disciplinary proceedings against him by party bosses, saying all allegations against him "fell at the first hurdle".
ITV News political correspondent Carl Dinnen has tweeted:
Lord Rennard; All allegations fell at the first hurdle as to whether or not there was sufficient evidence to proceed further.
Rennard; I am pleased all disciplinary investigations have been brought to an end and suspension of my party membership has been lifted.
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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.