bbc | 23.04.2010 01:59
The arrests - all for public order offences - were made as several hundred protesters from different interest groups converged on the city centre.
Protesters from anti-war groups clashed with English Defence League protesters at one point - although the encounter was non-violent.
The debate was held at the Arnolfini arts centre in the docks.
Mounted police and dogs were deployed to the strip of land between Pero's Bridge and the gallery in an attempt to keep the groups apart.
A huge security operation was mounted in Bristol because of the debate.
Other protesters in the city for the debate came from a fathers' rights group, a pro-Palestinian group, an anti-hunting group and various anti-capitalism organisations.