The drug-addicted parents of a one-year-old girl who ingested heroin left within her reach have been jailed.

The baby was reported to be shaking and rolling her eyes after putting the substance in her mouth while left briefly unattended at her home, but her father Justin Robinson, 25, waited 45 minutes before finally taking the infant to her grandparents' house and asking them: 'Does she look okay?'.

The child, who by then was 'unresponsive and had blue lips and skin', was taken to a hospital in Reno, Nevada, U.S., on Saturday night, according to the Reno Gazette-Journal.

Read more: Daily Mail