Man charged over torture and sexual assault of toddler

A man has been charged after allegedly torturing and sexually assaulting a three-year-old girl in Brisbane's south on Thursday.

The young girl was taken to Redlands Hospital about 8pm on Thursday with critical injuries, and concerned hospital staff contacted police who began investigating.

It is understood the 25-year-old man is the boyfriend of the girl's mother.

The girl suffered extensive injuries, and on Friday was in a serious but stable condition in hospital.

Following the police investigations, the man was charged with nine offences including torture, grievous bodily harm, sexual assault, leaving a child under 12 unattended, two counts of assault occasioning bodily harm, breach of a domestic violence order and drug offences.

The 25-year-old appeared in Cleveland Magistrates Court on Friday.