Thames Valley Police's Major Crime Unit have launched a murder investigation. 

Det Ch Insp Mark Glover saaid: “I would like to reassure members of the community that a team of detectives are working hard to establish the circumstances of what happened and we now have two people in custody in connection with the incident.

"This is not believed to be a random attack however we continue to have an open mind and enquiries are ongoing to attempt to establish the motive."

Anyone with any information about the incident should contact Thames Valley Police via the 24-hour Police Enquiry Centre on 101.