The use of tasers by the Metropolitan Police substantially increased between 2011 and 2013, according to new figures from the Home Office.
Officers used the weapon 378 times in 2011 and this figure increased to 2,110 times in 2013.
The number of times the weapon was actually fired by a Met Police officer increased from 112 to 136 between 2011 and 2013.
In England and Wales, the proportion of cases when the Taser was fully fired dropped between 2012 and 2013 from 21 per cent to 17 per cent.
Tasers have been fired 43 times during the first three months of 2013.
More top news
It is hoped the 7,400-mile journey will become a cost-efficient and time-saving way of transporting trade between China and the UK.
The Supreme Court is set to decide on whether disabled travellers are legally entitled to have priority use of wheelchair spaces on buses.
A cleaning company in London is recruiting female staff to clean private houses across the UK while wearing just slippers and gloves.