By Isobel Williams

Train passengers were left shell-shocked after discovering a live crab – sitting in its own seat.

The crabby commuter – who has been named Craig – was found on Wednesday evening on a South Western Railway service from London to Portsmouth.

Train driver Mark Walsh was approached by a passenger about the crustacean and at first thought it was a joke – until he saw the seat pincher.

Mark says that Craig was quite poorly from the journey, but they dropped him off at a park with a pond in Southsea.

The driver speculated that the crab might have escaped from a fisherman’s box or have been placed as a prank by schoolchildren.

Great Western Railway posted about the incident on Facebook, writing: “Unusual customer alert.

“On a recent SWR journey one of our drivers, Mar

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