France, Oct. 5 -- Demonstrators torched a police vehicle in India on Monday as tensions boiled over after clashes involving protesting farmers killed at least nine people.

The incident on Sunday in Uttar Pradesh state was the deadliest in more than a year of protests by farmers in northern India against new agricultural reforms.

Farmers said that a convoy belonging to a government minister, his son and the state's deputy chief minister ran over and killed four people at a demonstration.

The minister said later that a driver lost control of his vehicle after being pelted by demonstrators.

Angry protesters set fire to several cars and at least five more people, four of them supporters of the ruling Bharatiya Janata Party (BJP), were kil...