The Competition and Markets Authority (CMA) has started its Phase 1 investigation into Vodafone UK’s joint venture agreement with Three UK to combine the companies’ telecommunications operations under one single network provider. The CMA must assess the potential impact of a merger on competition. It cannot consider other potential effects, such as national security concerns,

Ofcom regularly make statutory requests for information from companies to protect customers

First probe started in July over overcharging customers

Criminal investigation follows more than a year of a ban in the US as the CFO faces extradition to the states

The regulatory body is investigating accusations surrounding contract renewal and cancellation rights

The names, telephone numbers and bank details of under 2,000 Vodafone UK customers are feared to have been taken