Police are appealing for witnesses after a 23-year-old man was stabbed several times at a house in the Acacia Avenue area of Merthyr.
A 34-year-old man has been charged with attempted murder and is due to appear at Merthyr Magistrates Court later today.
The victim was taken to Prince Charles Hospital for treatment.
South Wales Police want anyone with information that could help them with their investigation to come forward.
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