Roseville, Michigan, USA. 19th May, 2017. Forty thousand workers at AT&T Mobility, which provides wireless service to 134 million people, began a three-day strike to protest the lack of progress in contract negotiations. Job security is a key issue: the company wants to outsource jobs or send them overseas. Credit: Jim West/Alamy Live News

- Image ID: J6912B
Roseville, Michigan, USA. 19th May, 2017. Forty thousand workers at AT&T Mobility, which provides wireless service to 134 million people, began a three-day strike to protest the lack of progress in contract negotiations. Job security is a key issue: the company wants to outsource jobs or send them overseas. Credit: Jim West/Alamy Live News
Jim West / Alamy Stock Photo
Image ID: J6912B
Location: Roseville, MI, United States