He punched or kicked a two-year-old-boy in the stomach when he lost his temper.
22-year-old Joseph Eke has been jailed for the murder of Dorset toddler Harry House.
Eke was left alone with Harry for only a few minutes when the boy's mother popped to the shops in May last year.
The trial heard Harry was attacked in such a violent way he suffered severe internal injuries and a fractured skull.
From Winchester Crown Court, Kerry Swain reports.
Kerry spoke to Det Chief Insp Sarah Derbyshire, Dorset Police.
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