groundnut

In a statement on Thursday, Human Rights Watch said the acid pollution had "killed fish, burned maize and groundnut crops, and led to the deaths of livestock, wiping out livelihoods of local farmers".

Several farmers told BBC Gujarati that the downpour had caused extensive damage to crops like cotton and groundnut.

Looters also broke into a warehouse near the Kano governor's house and police say 269 people have since been arrested with the recovery of many 25-litre groundnut oil cartons and other items taken.

In the next few days he discovered additional sources of nourishment: groundnuts, mulberries, wild mustard, wild onions, new kinds of mushrooms, spearmint, peppermint, and milkweed.

Mr Ruto is also wealthy, but he has portrayed himself as someone who - having once sold chickens and groundnuts by the roadside - understands the plight of the poor, and will champion their interests if elected.