Riot Act felt uncertain of their power to take action to stop the riots without a reading of the Riot Act. After the riots, Lord Mansfield observed that the Riot Act did not take away the pre-existing power of the authorities to use force to stop a violent riot; it only created the additional offence of failing to disperse after a reading of the Riot Act. The Riot Act was read prior to the Peterloo Massacre of 1819, as well as prior to the Bristol Riots at Queen's Square in 1831. Both are held to be related to the Unreformed House of
Peterloo Massacre than men by a factor of almost 3:1. Richard Carlile claimed that the women were especially targeted, a view apparently supported by the large number who suffered from wounds caused by weapons. Eleven of the fatalities listed occurred on St Peter's Field. Others, such as John Lees of Oldham, died later of their wounds, and some like Joshua Whitworth were killed in the rioting that followed the crowd's dispersal from the field. The Peterloo Massacre has been called one of the defining moments of its age. Many of those present at the massacre, including local masters, employers and owners, were