A World War One grenade was destroyed in a controlled explosion after being found in a garden shed in Brierley Hill in the West Midlands.
An Explosive Ordnance Disposal (EOD) team was called and, after burying the device beneath a mound of sandbags, safely carried out a detonation.
See: https://www.birminghammail.co.uk/black-country/bomb-squad-detonates-world-war-16823895