Original sentence: 270 policemen were injured (56 hospitalised), over 200 marchers  78 were injured, and an attempt to destroy the local police station saw the first use of riot shields on British soil outside of Northern Ireland.As the NF was then contesting the Birmingham Ladywood by-election, such a large march elsewhere was construed as being deliberately to provoke trouble
Edited sentence: Over 200 of the leftists were arrested, 78 were injured, and an attempt to destroy the local police station saw the first use of riot shields on British soil outside of Northern Ireland.Thousands of Marxists and other leftists mobilised and rioted