Police have named the two-year-old girl who was killed after being struck by a caras Harlow Edwards from Coupar Angus.
The toddler died on Thursday afternoon after two cars crashed into each other on the A94 Forfar Road in Coupar Angus.
Her six-year-old brother and 17-year-old sister are being treated in Dundee’s Ninewells Hospital.
It is understood that the two cars collided at the junction with Larghan Park then hit the children.
Both of Harlow’s siblings remain in a serious condition.
PThe 23-year-old male driver of the Ford Focus and the 34-year-old driver of the Citroen vehicle involved in the incident were not injured.
The A94 was closed in both directions while police investigations were carried out.
Police have appealed for witnesses to the incident, which happened at about 3.20pm to contact them.
A report has been submitted to the Procurator Fiscal.