Story highlights Officers attacked with scythes, axes and spears

Protesters say changes to the constitution will further marginalize them

Kathmandu, Nepal (CNN) Protesters in western Nepal have killed at least seven police officers as violent clashes broke out over the country's proposals for a new constitution.

Thousands of people had come out onto the streets in defiance Monday, encroaching a "prohibited zone" imposed by the administration since Friday.

A mob surrounded officers in the district of Kailali, in the far west of Nepal as officials attempted to enforce restrictions. The protesters used axes, scythes and spears to attack the officers, Raj Kumar Shrestha, chief district officer of Kailali District, told CNN.

A child was also killed during the attack, Shrestha said. There were no reports of protester casualties.

Unwelcome changes

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