The Crown Prosecution Service will review evidence relating to a man in his 80s gathered by police investigating allegations against the late Harrods owner.
It comes after Moscow warned of "consequences" over the reported use of British drones by Ukraine.
There has been disagreement between queuers and others skipping the line to reach the top of Yr Wyddfa.
His comments come as the government urged TikTok and other social media firms to remove wrong-way driving videos.
UK Prime Minister Andy Burnham is handing over blueprints so Kyiv can build its own long-range missiles.
Shirley Freeman, Julia Stephen and David McColl's victims were beaten, starved and psychologically tormented.
The fire has burned around 10,500 acres and is completely uncontained, officials say.
