Arrests over double shooting in Milton Keynes
Four people have been arrested on suspicion of possession of the firearm believed to have been used to kill two Somali teenagers in Milton Keynes.
Amin Ahmed Ismail, 18, and Mohamed Abdi Farah, 19, were shot on the Fishermead estate on 26 May.
Police said that four youths were arrested following a disturbance in Penryn Avenue, Fishermead, in the early hours of Friday.
The four, aged 15, 17, and two aged 16, are all from Milton Keynes.
They are all in custody and being questioned by detectives.
Det Supt Rob Mason, who is leading the murder investigation, said: "During the incident a firearm was recovered and on initial examination it appears likely this firearm is the same gun as the one used to kill Mohammed Farah and Amin Ismail.
"This is potentially an important development in the inquiry and I would like to stress that it is now vital that anyone who witnessed the incident this morning, or who has any information about the murder of Mohammed and Amin tells the police what they know."
Nine people have previously been arrested in connection with the deaths of the two Birmingham teenagers, but no-one has been charged in the case.