UPDATE: Murder probe launched after boy, 17, is stabbed 

A police cordon has been put in place in High Wycombe town centre. 

Thames Valley Police have closed off Easton Street between Crendon Street and Wycombe Magistrates' Court. 

Emergency services were spotted at 8pm last night (May 7) and shut off the road to traffic and pedestrians.

Police have been contacted for more information. 

No further details have been given at present.