GB. England. London. Trouble flared in Grosvenor Square, London, after an estimated 6,000 marchers faced up to police outside the United States Embassy. On March 17, an anti-war demonstration in Grosvenor Square, London, ended with 86 people injured and 200 demonstrators arrested
The protesters had broken away from another, bigger, march against US involvement in Vietnam but were confronted by a wall of police. 1968.