Delivering the judgement, Chief Justice Susan Denham described it as a "very tragic case".
"This is a very tragic case with a lesson to be learnt, " said Mr Howes.
The family "trust that everyone has more clarity on this very tragic event, " they said.
The accident this past year was certainly very tragic and should not have happened.
Trust medical director Dr Helen Smith said it was a "very tragic" case.
"As the investigation progresses, we will begin to find out exactly what happened in this very tragic case, " he said.
"Obviously we have a very tragic situation here today, " Mayor Chris Coleman said at a news conference hours after the gravel slide.
Lancashire Police said his death was not being treated as suspicious and there were indications it had simply been a "very tragic incident".
"There is a danger that it could escalate into a much broader conflict that would be very tragic for everyone concerned, " she warned.
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"I feel that we are fortunate that even more injuries were not the result of this very tragic and unfortunate accident, " said U.S. Sen.
Ch Insp Crorken said his death was not being treated as suspicious and there were indications it had simply been a "very tragic incident".
"We've had some very tragic cases and it's because we hadn't taken enough notice that we have re-evaluated how we do business here, " said Chief Landsdowne .
We've had some very tragic cases and it's because we haven't taken enough notice, and because of that we re-evaluated how we do business here in San Diego.
Obviously our government and -- has done quite a bit in terms of aid and help in what were obviously very tragic events and tragic floods in Pakistan.
"I'm very sorry this tragic accident occurred, " said Chung Hyung-sook, South Korea's team leader.
At an earlier hearing, he described it as a "very sad and tragic case".
"This is a very sad and tragic loss of a young life, " he said.
In fact, we were able to negotiate very complex issues like the transfer of detention facilities to the Afghans and the transition of special forces operations to the Afghans in the context of those very difficult and tragic circumstances, and then close out the Strategic Partnership Agreement.
Joan Laporta, president of European champions Barcelona -- Espanyol's city rivals -- said on their official Web site: ""We are very shocked by this tragic event.
But I would just say, again, our efforts are really working to help the Japanese people deal with what is a very difficult and really tragic situation.
At a press conference, Bernard Fransen, president of KNVB amateur football, said he was "very shocked" by the tragic incident.
That, of course, was very dangerous and led to tragic consequences.
We've also had excellent cooperation on criminal investigations, law enforcement, counterterrorism -- and most recently, I want to thank the Prime Minister for his very diligent investigation of the tragic terrorist attack that killed Israeli civilians in Bulgaria.
"I want to express our community's collective grief and our sorrow over the senseless and tragic death of a very young member of the Hofstra family, " university President Stuart Rabinowitz said.
Unanticipated, tragic incidents have resulted in very high private and public costs.
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"The tragic event in Lowestoft has very much brought to the fore the need to work with families who are going through difficult times, " Mr Bee said.
They were a new and growing population of refugees coming up from Central America, and I heard their tragic and horrifying stories about the very personal effects of the military actions that were being planned, promoted and financed by the United States government.
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