A former high school teacher has been jailed after taking more than a million upskirt images of pupils using secret cameras concealed in pens.

Matthew Gilkes, 47, was apprehended after being caught photographing children under cubicles at a leisure centre in Chorley, Lancashire, in August 2024.

Police traced his vehicle, leading to his arrest.

One of the ‘spy pens’ used by Gilkes (Lancashire Constabulary/PA Wire)

A search of his home and workplace uncovered over 80 devices, including a school-issued laptop, spy pens, handheld cameras, and memory cards containing numerous indecent images of children.…