The service in which the Bishop of Sheffield will lead prayers for church organist Alan Greaves, who died after being attacked on his way to Midnight Mass on Christmas Eve, is due to begin shortly.
Dr Steven Croft earlier confirmed his presence in a tweet ahead of the service:
To St. Saviour's High Green this morning to be with the Church and community there following the murder of Alan Greaves, organist and Reader
More top news
Pilots say they are rostered in 'illegally' and feel fatigued from working too many hours.
The alleged hacking follows reports of similar attacks on other Democratic organisations, amid fears of state-sponsored hacking.
One lucky ticket holder based in the UK has won a cool £61 million jackpot in the EuroMillions lottery game.