The emir of Qatar has called for negotiations to ease a boycott by four Arab neighbours. In his first public address since the crisis erupted, Sheikh Tamim bin Hamad Al Thani said any solution must respect Qatar's sovereignty. The emir said Qatar is fighting terrorism relentlessly and without compromises.<br/>'<br/>The crisis between the regional allies is the worst to hit the Gulf in decades.<br/><br/>Saudi Arabia, the United Arab Emirates, Bahrain and Egypt cut ties with Qatar last month over its alleged support for terrorism and ties with Iran, and issued a series of demands. '<br/>