Dolphins pay a visit to Royal Navy ship HMS Severn

HMS Severn captured footage of a pod of dolphins swimming near the vessel.

Royal Navy ship HMS Severn has been given a very special escort whilst sailing at sea.

A pod of dolphins swam alongside the offshore patrol vessel, with crew from HMS Severn capturing the amazing moment on camera. 

The ship's official Twitter account tweeted a video, saying: "#DolphinRacing. We have a suspicion the dolphins let us win... ."