OPINION: British policing has included volunteers for nearly 200 years - but what can it learn from others, and vice versa? A new research partnership between the UK and Japan will explore the possibilities: Matthew Callender, Laura Knight, Iain Britton, Kimihiro Hino and Mamoru Amemiya explain.

ANALYSIS: What can be achieved and delivered by volunteers in policing? In the sixth of our blogs celebrating volunteers' week, Dr Matt Callender of the University of Northampton outlines two exciting new research projects aimed at understanding the activities and skills of Special Constables.