Vodafone and Three welcome the in-depth investigation

Intends to initiate a Phase 2 investigation

First phase of investigation will last up to 40 working days

First of its kind in Ireland

The network has since been restored

Merger will consolidate UK market to three operators

The regulator wants input ahead of a formal investigation into the deal

But will delay it until a decision is made by CMA on Vodafone-Three merger

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

The 10-second message never arrived for many

Reports suggest the deal is just a matter of time

As Vodafone-Three merger in the UK continues to progress

Could the UK see four operators become three?

The pilot scheme is using EE and Three's networks

The operator is working with Vodafone and O2 to boost rural mobile connectivity across the UK

A merger between the two would create the UK's biggest mobile operator

UK telco warns of higher prices and impacted 5G roll-out

Electrical fault ruins service for almost 2 million customers