“Because of the potential to cause fear and damage public confidence” Metropolitan Police In England are declining an offer by elected officals to increase their department’s officers who are equipped with ” taser devices” see http://www.guardian.co.uk/politics/2008/nov/25/met-london-police-taser-guns
The MPA police London England http://www.met.police.uk/. Most folks know the service has prided themselves as not carrying firearms. And now elected officials want to arm them with Taser’s and the Police are balking at the idea stirring a public debate. See http://www.timesonline.co.uk/tol/news/uk/crime/article5224058.ece
The use of the taser has been the subject of controversy in the United States because of fatalities which have occurred during it’s use by law enforcement personnel. See the following link for a video back in 2004, and the controversy over the weapon continues.