iframe(sanitize)
<h3>Онлайн-трансляция</h3> <p><iframe allow="autoplay; encrypted-media; fullscreen; picture-in-picture; screen-wake-lock;" allowfullscreen="" frameborder="0" height="480" src="https://vk.com/video_ext.php?oid=-211173708&id=456239454&hd=2&autoplay=1" width="853"></iframe></p>