Police in riot gear respond to demonstrators blocking outside the Ferguson Police Department on 11 March
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Ferguson police shooting: 'There was blood on the ground'

Gunfire has been heard at a protest outside the headquarters of the police department in the US city of Ferguson.

A local newspaper said that two officers had been shot.

Keith Rose, who was demonstrating outside the police station, told the BBC he saw an officer who was "covered in blood".

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