On Thursday, the Bristol-based street artist posted an image on Instagram of the silhouette of a wolf howling at the moon ... The BBC understands the art series is set to conclude at the end ...

While some dark nebulas are visible to the naked eye, such as the Coalsack Nebula, that isn't true of the Dark Wolf Nebula.

Video shows Banksy howling wolf artwork being removed She added ... The BBC understands the art series is set to continue over the coming days.