<section id="categories" class="block block-nav" role="navigation" aria-labelledby="categories-label">
    <div class="block-heading"><h3 class="block-title" >{intl l="Related"}</h3></div>
    <div class="block-content">
        <nav class="nav-categories">
            <ul id="category" class="accordion">
                    {loop name="current_article" type="content" current="yes"}
                        {assign var="current_id"  value={$ID}}
                    {/loop}
                    {loop name="blog.article"  type="content" current_folder="yes" exclude="$current_id"}
                        <li><a href="{$URL}">{$TITLE}</a></li>
                    {/loop}

            </ul>
        </nav>
    </div>
</section>