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
A woman involved in a car crash had to be taken to hospital by helicopter with serious injuries.
Search for missing seven-year-old underway after he was reportedly abandoned in a forest by his parents as "punishment" for throwing rocks.
Shooting of a 400-pound gorilla who grabbed a four-year-old boy after he entered his enclosure sparks public outrage and prompts petition.