Lots of people in Ilkeston were alarmed by the very loud band heard this morning….

‘Loud bang’ heard over Derby confirmed as sonic boom

The recent loud bang heard over Derbyshire has been confirmed as a sonic boom. Police said the noise was as a result of a RAF jet passing over the county causing a sonic boom. The force were investigating reports of a “loud bang” in the Derby and Ilkeston area earlier. Several people took to social….

Source