Russian opposition groups held an anti-government demonstration in Moscow on Tuesday, despite prosecutors asking some of their leaders to appear for questioning.<br /><br />The march, which was authorised by city officials, is a protest against a new anti-demonstration law signed by President Vladimir Putin on Friday.<br /><br />It hikes fines on people who participate in unauthorised protest action.<br /><br />...<br />http://www.euronews.net/