What can be done to tackle Merseyside's gun crime?

"The tragic death of Olivia Pratt-Korbel, 9, comes in the same week two other shootings and a stabbing took place in and around Liverpool.

This week also marks the 15th anniversary of the murder of 11-year-old Rhys Jones, who was mistakenly shot by a gang member in Croxteth on his way home from football practice in 2007.

Sky's Home Editor Jason Farrell has been looking at the recent spate of violence on Merseyside and the national concerns over gun crime."