Missing Perth children found safe and well

Three Perth children aged between five and 12 that had been missing since Wednesday afternoon have been found safe and well.

Three children from Perth's south reported missing earlier on Thursday have been found safe and well.

The children from Thornlie were found following public assistance, said police.

The children, aged five, nine and 12, had been missing for more than 24 hours after being last seen at their grandmother's house where they lived.