Bedfordshire Police say a 16-year-old male has been arrested on suspicion of attempted murder after a 47-year-old father was stabbed in his own home at Wellfield Avenue, Luton, in the early hours of Saturday morning.
The suspect was arrested in London and has been conveyed to Luton for questioning.
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The mother of missing RAF Serviceman Corrie McKeague says she "now knows" that her son is not in a Cambridgeshire landfill.
Officers say they are 'content' Corrie is not in the landfill areas which have now been searched.
ITV News Anglia was given access to police teams trying to curb the supply of class A drugs and limit the damage they do.