Messages of sadness have been flooding in for popular engineer Steve Summerside.
The 45-year-old grandad, who was married with two children, is reported to have been killed while servicing a car ferry at Falmouth docks in Cornwall.
Read more: Sunderland dad killed in docks accident
Friends and acquaintances have begun leaving tributes on our Facebook page:
Paula Holme: So so sad & tragic, my heart goes out to his family & friends , never knew him personally but can see he made a massive impact on so many peoples lives as my news feed is full of respect for him. Rip x
Barry Robson: A lovely, lovely Man #takentoosoon #ripsteviesummerside
Jake Dyke: Lovely fella, always made people laugh, will be a great miss to many. RIP
June Douglas Cook: RIP summer #foreveryoung Deepest sympathy to Donna & boys xx
Steve Goodfellow: Rest in Peace 'Summer' A great lad who could make anyone laugh,a big miss down Roker x
Anthony Pickering: My thought are with Donna an the lads, so tragic, sending my love.xx
Marie Pentland: Thoughts and prayers for his family .R.I.P.
Rachel Harding: R.I.P Steven taken far too soon .
Sam McGill: rip Steve. so sad.
Steven Safc Cummings: Shocking. A really good guy.
Joanna Ashton Butler: Absolutely devastated for you and your lovely family Donna. Steven (summer) was a wonderful character who was devoted to his family. Fond memories will never be forgotten of our fun school years in dame dorothy. Love and thoughts at this very sad time xxx
Jolene Casey Absolutely heartbreaking. He was a top man !!! RIP SUMMER XXXX
Terri Smith: Absolutely devastating news! Such a lovely man. Thinking of you Donna, Shaun & Scott xx
Steve Jekyl: Gettins RIP summers top lad he was
Linda Whitmore what a shame, he was a really canny lad with a grin that could lighten anybody's mood thoughts are with his family xx
Robert Brown: He would do anything for anyone , and when we went over to visit I've never been made to feel so welcome anywhere in all my life look over our Don n the boys Steve till we meet again my friend x
Michael Pattison: This fella always had time for a chat and a funny story. RIP Summer
Darren Reichard: Such sad news. Always had a smile on his face. RIP Summer