I've had lots of input from readers on the subject of dredging since I mentioned it a couple of weeks or so ago in the context of flood prevention following the recent inundations.

Chris Smith and the PM must get their act together on flooding

Last week, I told the story about Doug Millsom and his friends who, as youngsters, used to play around a tunnel that emerged on the bank of Desborough Island and asked whether any readers knew its history.

My old mate Doug ‘the ancient angler’ Millsom called me up this week to chide me for ignoring his fellow fishermen.