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Video footage has emerged of a gang of Muslim men beating to death three members of the Ahmadiyah sect in Indonesia.

Rights groups and the Indonesian government have condemned the killings, but some critics say a three-year-old law banning Ahmadis from spreading their faith incited the violence.

Al Jazeera's Step Vaessen reports from Jakarta.

This report contains images which some viewers may find distressing

Source: Al Jazeera