One serious offence involving a knife is committed every 24 minutes, according to figures.
Statistics from 37 police forces, obtained under the Freedom of Information Act, showed that there were 5,500 serious crimes involving knives in just three months this year and will bring Labour's policy on knife crime under scrutiny.
The statistic equates to one every 24 minutes and includes 55 knife-related murders, more than 2,000 stabbings and almost 2,500 muggings at knifepoint.
The Tories criticised the Government for ignoring the true extent of the knife crime problem and claimed their denial was adding to the issue.
Campaigners also pointed the finger at the Government for failing to enact tougher measures against offenders.
London, Manchester and Birmingham are the worst-affected areas. West Yorkshire, Merseyside and Northumbria police forces are in the top 10 ...