Three women who were arrested as part of the investigation into the fatal house fire at Wood Hill, Leicester, have been released on bail.
The women, aged 19, 20 and 27, have each been given police bail while further investigations are carried out.
Two men are still being questioned by police.
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A man has appeared at Birmingham Magistrates Court charged with the murder of another man who was found dead in Coventry on Monday night.
"This was an incident of domestic violence of the highest severity which sadly had tragic consequences."
A mother has described the moment she discovered her three-year-old daughter dead in bed at her home in Birmingham.