Jonathan Bowling was jailed for life with a minimum term of 25 years at Sheffield Crown Court today for the murder of church organist Alan Greaves.
Bowling admitted murdering Mr Greaves, 68, in the High Green area of Sheffield as the pensioner walked to play the organ at Midnight Mass.
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The suspect, 35-year-old Willie Corey Godbolt, has been arrested and was being treated for a gunshot wound in hospital.
Mohanna Abdhou, known as Montana, was out with friends when two attackers cycled up to them and opened fire in Brent, north-west London.
The US president tweeted that Mrs May gave him "full details" of the incident during talks while he attended summits in Europe.