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Haven't been on this over the weekend and just noticed more posts! My husband called the number on the letter (its his policy) he was given another number to call which he did. They reported they weren't aware of an incident, even though my husband read out everything that was on the letter. So we are awaiting a call back from them today to see what is going on!
Husband suspects the TP my have just reported it and no damage, but basically reported it anyway, and the company we have relieved the letter from are trying to get in on the action and see if there is any claim money to be made. The reason this may be the case is it states no witness and no police report (and no details exchanged - not on letter but we know that).
Waiting today out to see what the response is....