Please be aware that 07873 010940 is a dodgy number in use by scammers in the UK to try and extract personal and banking information from vulnerable members of the public. All reported calls from 07873 010940 have included a message in which the scammer pretends to be calling from Visa or Mastercard.
In this case the scammers have been calling members of the public to inform them that a large amount of money has gone out of there account. The irony is that they are the ones looking to take a large amount of money from your account.
If you receive a call from 07873 010940 then you need to be sure that you do not provide information of any kind. Giving your details to these scammers will end badly for you or your family members.