Rise in social networking crime

Police in Greater Manchester have charged 115 people with crimes on social networking sites this year Photo: Dave Thompson/PA Wire

Greater Manchester Police have charged the highest number of people in the country for crimes on social media sites.

Reported crimes involving Facebook and Twitter have increased 780% in four years, with 650 people charged last year nationwide.

In Greater Manchester 115 have been charged, twice the number four years ago.

Lancashire Police received reports of six threats of murder. In Merseyside a quarter of crimes reported involved harassment.