Armed police are investigating what is being described as a "serious incident" at a travellers' site in Peterborough.
Three people have been injured, two of them seriously.
All three have been taken to hospital.
ITV Anglia has more
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Mostly cloudy with showery rain at times, giving locally heavier bursts.
Some may see the odd brighter spell, where it will feel a little humid.
30 year old Christian Bagley suffered two stab wounds as he walked under the Hunderton Bridge in Hereford 2 years ago.