A UK consumer group says Apple breached competition law and trapped 40 million customers into paying ‘rip-off prices.’

U.K. consumer rights group 'Which?' is filing a legal claim against Apple under competition law on behalf of some 40 million users of iCloud, its cloud

Apple encouraged its users to sign up to iCloud to store photos, videos and other data while making it difficult to use alternative providers. Customers then had to pay for the service once their data exceeded the free 5GB limit,

U.K. consumer-protection group Which? said the iPhone maker had breached competition rules by tying consumers to its iCloud storage service.

The U.K. consumer rights association, Which?, is pursuing legal action against Apple over claims of anti-competitive practices against iCloud users. Here’s what we know so far.