![Vodafone](https://media.datacenterdynamics.com/media/images/GettyImages-1406694186.2e16d0ba.fill-280x185.jpg)
Unite ramps up campaign to block Vodafone-Three merger in UK
Labels the potential deal as "dangerous"
Labels the potential deal as "dangerous"
The union is stepping up its disapproval of the £15 billion merger
After months of talks, the deal has been agreed
Argues that it could be a security issue for the UK