To resolve the maximum possible violent situations, the police officers must have tasers but as not enough officers carry tasers, therefore, most officials have to face personal injury.
It has been reported that in London, since most of the police officers do not carry tasers so they are not able to resolve probably the violent situations. An incident occurred at the weekend. In that incident, the police had to call and wait for the armed officers to arrive in order to arrest the suspect as the man was threatening the people in Battersea with knives.