A good Samaritan who jumped into the River Thames to help rescue a struggling dog also ended up being plucked to safety.

The RNLI responded to reports of a dog in the river near Westminster Bridge.

As the lifeboat neared the scene they were told a member of the public had entered the water to try to save the dog.

Footage shows the lifeboat arriving to see a man stood on the rescue chains with the dog in his hands.

During the rescue the lifeboat was positioned against the embankment wall so the dog and the man could be taken aboard.

After the rescue from the murky water of the Thames, the dog was reunited with its owner who was waiting at the side of the river, the spokesman said.