A UK woman was pelted with a shower of crabs while picking beans in her garden.

'I thought it was a sudden heavy rainstorm at first, ' says Kate Walker who was gardening in Dartford, Kent.

On realising they were crabs, Ms Walker collected 19 survivors and put them in her neighbour's pond.

Experts believe the crustaceans were scooped up from the nearby River Thames during a freak storm.

Barry Gormett of the British Meteorological Office explains that such a phenomenon can occur when a mini-tornado passes over water and sweeps up objects of all shapes and sizes.