1990: Violence flares in poll tax demonstration
An anti-poll tax rally in central London erupted into riots on 31 March 1990.
More than 400 people were arrested and property was damaged with repairs estimated at £400,000 after the demonstration which saw 100,000 people turn out to protest against the poll tax.
The demonstration had been preceded by many smaller rallies across the country.
Forty-five police officers were among the 113 people injured, as well as 20 police horses.
Originally broadcast on 1 April 1990.