<p>The Right Sector played a leading role in January's violent anti-Yanukovych protests in Kiev.</p>
<p>The Right Sector is the most radical wing of Ukraine's Maidan protest movement that toppled President Viktor Yanukovych in February.</p>
<p>Activists claiming to be Right Sector members were involved in Kiev's Maidan protests [link at URL] from late November but the group did not attract much attention until violent clashes with police in central Kiev on 19 January, in which it played a leading role.</p>