Five people are in police cutody following several serious incidents in Herefordshire yesterday.
The four men and a woman were all arrested on suspicion of attempted murder.
Two men received stab wounds following separate incidents in Hereford.
The injured men remain in hospital with serious injuries, their conditions are described as very poorly.
West Mercia Police are liaising with colleagues in Cambridgeshire who are conducting a murder inquiry following the death of a man in Peterborough over the Easter weekend.
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Cloud thickening tonight with rain spreading eastwards later.
A mixture of sunny spells and isolated showers this afternoon.
Police think that one of the men involved in last week's abduction attempt at RAF Marham was given a black eye.