Amazon UK Payment Declined

( Confirm it's you ) We've temporarily deactivated your Metro Debit/Card to prevent unusual payment activity to Amazon UK for 299.99 GBP was DECLINED. Our extra security checks to make sure it's really you Shopping or Banking Online. If you are not aware of this transaction, please Contact Our Fraud Prevention Team immediately on 0330 390 3994. Or follow the reference button given below for a quick digital verification. Best regards, Barclays Security Team * Call Monitoring and charges information Calls may be monitored or recorded for quality and training purposes. Calls to 03 numbers are charged at the same rate as calls to 01 and 02 landlines, and will count towards any inclusive minutes you have covering calls to landline numbers. Charges may apply when calling from abroad.