Students try to push a police truck as they clash with riot police in Lima
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Violent clashes in Peru over new public sector law

5 July 2013 Last updated at 07:47 BST

Police and protesters have clashed in the Peruvian capital Lima at demonstrations against a new law for workers in the public sector.

The law introduces annual performance assessments for civil servants and university lecturers as a way of improving standards.

Critics say the reforms will cost jobs and compromise the independence of universities.

Denise Hammick reports.