Avon & Somerset Police are appealing for spectators with video or photos of the fatal accident to contact them.
The crash happened as 23-year-old cyclist Junior Heffernan came round a bend during the Severn Bridge Road Race.
Here is Acting Inspector Darren Jarvis...
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Still a fair amount of cloud this morning but things may get a bit better in the days ahead. Philippa Drew has the forecast.
It's another cloudy start in the West but the outlook for the next few days is a bit more positive. Philippa Drew has the forecast.