VOICED : All arrested Ukraine protesters released

The transcript discusses the protests in Kiev, highlighting the injuries sustained by demonstrators, including Ivan, who is accused of organizing mass unrest. An NGO is monitoring human rights abuses and providing legal support. There are calls for an inquiry into police brutality, but delays persist. President Yanukovich has approved an amnesty law, conditional on the vacating of occupied buildings.

What is the role of the NGO mentioned in the text?

What has been the response of the authorities regarding police brutality?