Jeremy Bamber, who murdered five of his family members, and two other killers were told their whole-life tariffs amounted to a breach of human rights.
The European Court of Human Rights said whole-life sentences were "inhuman and degrading".
ITV News deputy political editor Chris Ship reports:
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The character's death will send shockwaves through Weatherfield.
It reportedly threatened attacks on planes "flying from Heathrow to the US" across the July 4 US Independence Day holiday weekend.
Accompanied by the Duke of Edinburgh, the Queen will attend the opening ceremony of the fifth session in the Holyrood chamber.