In Brazil, a judge has jailed eight men for plotting attacks during the 2016 Rio Olympics last year and for using the internet to promote the Islamic State (IS) militant group. <br/><br/>The men were arrested shortly before the beginning of the Games, in August last year, after the FBI alerted the Brazilian authorities. <br/><br/>They are all Brazilian nationals. The ringleader, Leonid El Kadre de Melo, has been given a prison sentence of 15 years. The other men have been jailed for five to six years. The judge said, the group had been sharing extremist material online and via messaging apps pledging alliance to IS.