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function load_more_news()
{
  $offset = $_POST["offset"];
  $wpb_all_query = new WP_Query(
    array(
      'post_type' => 'post',
      'post_status' => 'publish',
      'category_name' => 'news',
      'posts_per_page' => 3,
      'offset' => $offset
    )
  );

  $posts = array();
  foreach ($wpb_all_query->get_posts() as $post) {
    if (has_post_thumbnail($post->ID)) {
      $attachment_ids[0] = get_post_thumbnail_id($post->ID);
      $attachment = wp_get_attachment_image_src($attachment_ids[0], 'full');
      $post->thumbnail = $attachment[0];
    }
    array_push($posts, $post);
  }

  echo json_encode($posts);

  die();
}