Police are trying to find the East Yorkshire family of a cyclist who is believed to have been murdered in Wales.
Officers believe John Reeder, 63, may have relatives living in this area.
Four people have been arrested on suspicion of murdering Mr Reeder, a horse trainer, who was found lying face down in a road after falling from his bike.
He was taken to Newport's Royal Gwent Hospital with serious head injuries after he was found on Wednesday, but later died.
It happened in Pontnewynydd, where Mr Reeder has lived since moving from Yorkshire a number of years ago.
Three men, aged 18, 19 and 23 and a 19-year-old woman from Pontypool have been arrested on suspicion of murder.
Anyone who is related to Mr Reeder or knows his relatives is asked to call Gwent Police on 101.
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