Free spam call blocker

100% fine, had some transactions flagged up 2 out of the 3 where not mine, transactions did not go through as it was picked up by fraud software. First they send you text saying fraud alert (from evans) and that a number (which they show you) will message you shortly and to tell us if you recognise the transactions. The transactions where not all mine so I let them know, which then automatically blocked my card to stop more fraud. They rang today on above number, first it was automated, very saf