Catherine Loiyan looked in dismay at her patch of land in Kenya's northern Laikipia County. A month ago it was bursting with tomatoes, maize, cabbage and potatoes.
Now all that is left are a few trampled leaves and crushed stalks after herders drove their cows onto her farm in the drought-hit region, where competition for grazing and water holes has ignited a series of deadly attacks in the past few months.