Campaigners presented online retail giant Amazon with a 56,000-strong petition demanding it pay living wages.
The hand-in, which took place on Friday 28 February, was the latest action in an ongoing media campaign to expose exploitation in Amazon warehouses.
Campaigners have now set up a blog where Amazon workers can share and discuss experiences of working life.
Yorkshire care workers' seven-day strike
Workers at Care UK in Doncaster, South Yorkshire struck for a week from Thursday 27 February.