Customers on Three and Vodafone mobile networks have been warned they face ‘higher prices’ if they merge into one network as planned.

The Competition and Markets Authority has today announced it has ‘competition concerns’ over the planned merger between Three and Vodafone.

The CMA says that its ‘provisional’ findings indicate that ‘tens of millions of mobile customers’ face higher prices or a reduced service if the merger goes ahead.

The government body said it had ‘particular…