Is there a shark stalking the Norfolk coast? Alert after two savaged porpoises are washed up on beaches - 6th Apr 2011

Fears are growing that a giant shark or killer whale could be stalking the coast of Norfolk.

A second porpoise has been found washed up on a beach with chunks bitten out of it, raising fears of a large predator in the area.

Linzi Smith, 29, and fiancé Steve Hunt, 36, found the creature while walking on the beach at Winterton near the holiday resort of Great Yarmouth.

The savage bite marks suggest it could have been mauled by a shark or killer whale.

The find was made just days after walker Hollie Moran, 24, found another 5ft porpoise with chunks taken out of its head and tail on the beach two miles away at Horsey.

Administrative assistant Miss Smith of Long Stratton, Norfolk, said she only realised the significance of her find on March 14 after she read a report about the other porpoise.

She said: 'We love walking along the beach at Winterton because that is where we had our first date.

'When we spotted the dead porpoise it was a bit of a shock to the system.

'Close up, you could see its stomach was gashed open and there were obvious bite marks towards the tail as well. Read More