 "farmers, security forces' firing, firing, farmers protest, Madhya Pradesh, Mandsaur")
Farmers on Wednesday stepped up their agitation in Madhya Pradesh after six were shot dead in clashes the previous day, forcing the authorities to impose a curfew in some areas.
The outburst of discontent in India's heartland farming states of Madhya Pradesh and neighbouring Maharashtra poses a challenge for Prime Minister Narendra Modi, who has promised to double farmers' incomes over the next five years.
Farmers' leaders say the six were shot dead by police during a protest in the central city of Mandsaur, a version questioned by the state government which has ordered an investigation.
"We will continue our protest until the
