One of the six mass graves found near Iguala, Mexico
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Police examine mass graves in Iguala, Mexico

8 October 2014 Last updated at 09:48 BST

Mexican authorities are trying to identify 28 bodies found in six mass graves on the outskirts of Iguala.

There are strong fears they may be some of the 43 students who went missing after a protest in the city in which police fired at their bus on 26 September.

Twenty-two officers are being held in connection with the shooting.

Juan Carlos Perez Salazar reports from the site.