Police are investigating the area where two men were stabbed in Hereford yesterday afternoon.
The incidents are believed to be linked but the victims are not.
West Mercia Police are expected to hold a news conference at 2pm this afternoon.
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Police said the men were detained during a 'safety and security operation'.
Mark Orme was last seen on Sunday.
The 24-year-old was charged with 14 counts of wounding with intent to do grievous bodily harm and one count of throwing a corrosive fluid.