Unknown column 'images' in 'where clause'<hr>

    SELECT news.id_nws,
        news.title_de_nws as titulo,
        news.content_de_nws as contenido,
        news.date_nws,
    (SELECT imagen_img FROM news_fotos WHERE noticia_img = id_nws ORDER BY orden_img LIMIT 1) AS img

    FROM news

    WHERE news.title_de_nws  != '' AND news.content_de_nws != '' AND type_nws = 1

    AND categoria_nws = images

    ORDER BY news.date_nws DESC

    LIMIT 0, 5