Armed guards have been deployed across wholesale vegetable markets in central India’s Madhya Pradesh state to "protect" tomatoes, prices of which had escalated almost five-fold in recent weeks.

Equipped with blunderbuss-like shotguns, the guards have been installed at the main vegetable market in the city of Indore, 120 miles from the state capital Bhopal, to ensure that tomatoes costing Rs 100 (£1.19) per kg are not looted.

Tomatoes constitute an essential ingredient in most Indian food, but have been in short supply across the country since late June due to heavy monsoon rains that have damaged the crop.

Fierce downpours in major tomato producing states like Karnataka in southern India have also contributed to the shortages by disrupting their transportation to other parts of the country.

Santosh Narang, a wholesale tomato dealer in Indore’s Devi Holkar market said the security of their tomato piles was of "paramount concern" after thieves looted 300kg of the fruit worth Rs 70,000 (£833), in Mumbai in mid-July.