Original sentence: On the 9th June 2009, the UAF carried out an unprovoked violent attack on a press conference being held by Nick Griffin and Andrew Brons outside the Houses of Parliament in Westminster, London
Edited sentence: On the 9th June 2009, the UAF carried out an unprovoked violent attack as they united against democracy at a press conference being held by Nick Griffin and Andrew Brons outside the Houses of Parliament in Westminster, London