The strike by refuse collectors and cleaning staff, which is now in its third week, centres around a new pay and grading system for staff.

BBC: Rubbish

In front of a crowd of 16, 000, local organizers tested out such different areas as cleaning and refuse collection, transport, competitions, spectator services and IT.

CNN: Two stadiums miss Brazil's Confederations Cup deadline

Social services, home care, education, environmental health, housing, planning, transport, refuse collection, catering, cleaning.

BBC: Summer of discontent