The family of a young boy who was killed in an incident involving a fork lift truck have said "the light has gone".
Harry's family said he was loved by everyone
Harry Palmer, a six-year-old from Chadwell St Mary near Grays, was certified dead at Tilbury Docks in Essex at about 1600 BST on Friday.
He was in a paper warehouse owned by the Port of London Authority where his father, Peter Littmoden, was working.
The circumstances surrounding the boy's death are being investigated by police from the port, Essex Police, and the Health and Safety Executive.
'Light has gone'
A statement from his family said he gave them "so much joy and happiness".
"Harry was loved by everyone he knew, especially his big sisters.
"He smiled and laughed from the moment his eyes opened, each day was a special adventure.
"The light has gone from our family and it feels as though the sun will never shine again."