The 1971 Led Zeppelin European concert tour was well known for its violent crowds particularly one which took place at the Vigorelli Velodrome in Milan on 5 July, where 15,000 people abandoned the concert grounds when tear-gas wielding riot police charged into the crowd.
The 1971 Led Zeppelin European concert tour was well known for its violent crowds particularly one which took place at the Vigorelli Velodrome in Milan on 5 July, where 15,000 people abandoned the concert grounds when tear-gas wielding riot police charged into the crowd.