In June 2008 Nicola Stacey was killed in Sheffield when a fire engine responding to a 999 call went through a red light and crashed into Nicola's car. She died at the scene and her daughter Lauren was left in a medically induced coma due to her injuries.
Her partner Barry Stevens feels they have never had justice.
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Detectives leading a criminal investigation into the disaster want to speak to 19 people seen on CCTV at the stadium that day.
The brothers were greeted by fans after winning gold and silver in the triathlon at Rio 2016
The medal-winning duo, who live and train in Leeds, say they've been amazed by the reception on returning from Rio