This has been published on the Police Alert
Eton College are running a siren test and lockdown exercise at the college on Thursday 4th October 18 at 11.10 a.m., for approximately twenty minutes.
An air raid type oscillating warning siren will start the exercise, followed by a continuous siren, to show the all clear. It is possible that the sirens can be heard in Windsor town centre as well as Eton and Eton Wick.
Received from the Coordinator, Brocas Residents’ Group