(BBC News) A man from India's Dalit community has been beheaded and his wife hacked to death after a row over a 15 rupees (22 cents; 16 pence) debt in Uttar Pradesh state.
Police said the couple were murdered by an upper caste grocer on Thursday when they told him they needed time to pay for biscuits they had bought from him.
The grocer has been arrested.
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Dalits, formerly known as untouchables, form the lowest rung of India's caste hierarchy.