A fourth man has been arrested over a fatal flat fire in Derbyshire which killed three people, including a mother and her baby daughter.
Derbyshire Police said officers had arrested a 24-year-old at an address in Long Eaton on suspicion of murder.
Three men were already being questioned by detectives after 17-year-old Amy Smith and her six-month-old daughter Ruby-Grace Gaunt died in the blaze in Langley Mill, Derbyshire, early on Sunday.
Three men have appeared in court after they were charged with the murder of three people who died in a flat fire in Derbyshire.
All three defendants have appeared before a district judge at Chesterfield Magistrates Court and were remanded into custody.
They will next appear at Nottingham Crown Court on Monday.
West Midlands Weather: Windy on Sunday with showers and sunny spells
East Midlands Weather: Heavy rain over Derbyshire hills, drier and brighter elsewhere
The city’s spike in coronavirus cases has sparked a report that it may be the first UK location to be subjected to a district lockdown.