Mourners have been making written tributes to Matthew Hayes, the 12-year-old boy who died after being hit by a bus in Sunderland.
The collision happened on Ryhope Street South nearly two weeks ago.
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The machine will be used to build a 23 mile tunnel to transport crop fertiliser from a mine in Whitby to be processed on Teesside.
Nicholas Harper left his home in Pickering on Thursday 7, February and was believed to be heading to his work placement, but did not arrive.
From "I speak for the trees" to "There is no planet B", here are some of the stand-out messages.