A 66-year-old man has been charged with the murders of a father and son who were shot dead in two Cambridgeshire villages six miles apart.
Stephen Alderton, of no fixed address, was arrested on Thursday.
He was also charged with one count of possession of a firearm.
Two others a man, 27, and a woman, 33, have been released without charge.
It comes after father and son, named by police as builder Gary Dunmore, 57, and his 32-year-old son Joshua Dunmore, who also worked in the trade, were killed on Wednesday.
Police were called to reports of gunshots in Meridian Close, Bluntisham, just after 9pm, then to similar reports in Sutton at around 9.30pm.