A distraught father screamed in horror recently because that’s the point where he realized that his 15-month-old daughter had passed away after she was left inside his vehicle the whole day, as per one witness.

Roy Gomes was busy mowing his lawn when heard the chilling cries of the upset father after he made that tragic discovery.

He did everything in his power to try and bring her back to life but it was all in vain. She was gone and there was nothing that he could do to change.

The father reportedly arrived to collect his daughter from Jelly Beings Early Learning Center at Earlwood in Sydney’s inner west region.

They believe that he was picking up his daughter from the daycare center when he discovered he accidentally left her inside the vehicle during the daytime hours.

‘I heard screaming and ran out to see what had happened’- Mr. Gomes mentioned whose home neighbors the nearby childcare center.

The father says that everything happened so quickly and he does not believe how one careless mistake has broken his family forever and the pain will remain in his heart forever.