A community is reeling after a mother accused of fatally stabbing her three-year-old daughter died in custody, sparking a corrective services review.

A vigil to remember “beautiful little girl” Sophia Rose near Bundaberg in southern Queensland was held before locals heard the tragic news of her mother Lauren Ingrid Flanigan’s death.

Queensland Premier David Crisafulli said on Monday “some explanations” were needed over Flanigan’s death in custody in Brisbane.

A review is under way.

It follows emergency services finding three-year-old Sophia outside a home in Moore Park Beach on May 26. She had multiple stab wounds and she died at the scene.

Flanigan was charged with her daughter’s murder. On May 30, she was found unresponsive in her cell at Brisbane Women’s Correctional Centre, having suffered a “medical emergency”.

The 32-year-old was rushed to Princess Alexandra Hospital in Brisbane, where she died on Sunday.

On Monday, Queensland Corrective Services said a report would be prepared for the coroner, describing it as “standard practice for all deaths in custody”.

Crisafulli said questions needed to be answered in a “full and thorough” investigation into Flanigan’s death to ensure the incident was not brushed “under the carpet”.

“This incident proves that there are some explanations that are needed,” he said.

“We owe it to everyone involved, people who work in the facility, families of people who have tragically lost their life, to get to the bottom of it.”

Crisafulli said the corrective services system should be reviewed in the wake of Flanigan’s death.

“For those who do need to be held in custody, we have a duty to provide safe facilities,” he said.

“I think it’s important that we don’t brush it under the carpet.”

The Moore Park Beach community is grieving after coming together to celebrate Sophia on Sunday.

Hundreds came dressed in pink and with sparkles, Sophia’s favourite things, at the gathering organised by Bundaberg local Trish Mears.

Sophia was remembered for her love of dance and a child who had an “absolute love of life”.

“She was just a beautiful little girl who was just full of life and lit up a room when she walked into it,” Mears said.

Friends, family and supporters blew bubbles and wrote messages in the sand while Sophia’s favourite song, Sky Full of Stars by Coldplay, played.

“It was absolutely beautiful and I could certainly feel her spirit there,” Mears said.

The vigil aimed to kickstart healing for the grieving community. Mears said many who attended had shared hugs and kind words, despite not knowing each other.

But the news of Flanigan’s death ensured Sunday ended on a “tragic” note, she said.

Mears, president of Moore Park Beach Arts, said the community would also honour Sophia at its local festival in August.

A GoFundMe set up for Sophia’s father and siblings has so far raised $55,000.

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-AAP