sub fetch_url {
        my $url_uri = shift;

        my $ua       = LWP::UserAgent->new;
        $ua->agent('Mozilla/3.0');
        my $url      = "$url_uri";   
        my $request  = HTTP::Request->new(GET => $url);
        my $response = $ua->request($request);

        # Content itself is in $response->content; here.
        return $response->content;
   }