Original sentence: In 1977, the Battle of Lewisham (actually in New Cross) saw 500 members of the National Front, who were attempting to hold march through the area, and their police escort, attacked by more than 4000 counter-demonstrators
Edited sentence: In 1977, the Battle of Lewisham (actually in New Cross) saw the biggest street battle against fascists since the Battle of Cable Street in 1936.Over 10,000 people turned out to oppose a National Front march which was organised on the back of increasing electoral success at that time