The actress whose body was found in the home she shared with a CBBC host may have taken the wrong medication before she died, her fiance's mother has said.
After Natasha Collins' death in London, her partner Mark Speight was arrested on suspicion of murder and supplying cocaine, which he vehemently denied.
And he would never have "harmed Tash", Mr Speight's mother Jacqueline said.
A mix-up with drugs prescribed for a medical condition may have led to the 31-year-old's death, she added.
Talking to reporters outside her home in Wolverhampton, Mrs Speight said the couple had been together "for quite a while".
"As far as I know, everything was OK between them," she said.