Clashes flare at Brazil stadium in Belo Horizonte
27 June 2013 Last updated at 03:44 BST
Brazilian police have used tear gas to stop protesters from approaching a football stadium during a Brazil-Uruguay Confederations Cup match.
About 50,000 protesters marched to the stadium in Belo Horizonte.
A small number of them tried to push past police lines. About 20 people were detained. Julia Carneiro reports.