An autopsy of Lucas Anthony Tang, 2, determined Tuesday that he died of multiple injuries but found no foul play, the Los Angeles Times reported.
Lucas was posing with his parents and his 11-year-old sister Sunday in front of a glass barrier, but as the family reviewed the pictures on their camera, they lost track of Lucas and he somehow got over the barrier and fell nearly 30 feet. Initial reports said the child had fallen 50 feet.
Lucas, who would have turned 3 in January, was pronounced dead at a hospital Monday morning.
David Lara of the city building department said the luxury box barriers comply with building codes.
The Los Angeles police juvenile division has begun a routine investigation.
A family friend told the Times the parents had kept close watch on Lucas, who spent most of the game on his mother's lap.
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