: Mortar shells are launched from a tube and explode with significant force; in untrained hands, they can be lethal.
It is to buy, possess, or use mortar fireworks (also known as aerial shells) in the UK . These items are classified as Category F4 (Professional) fireworks and are strictly reserved for trained display operators who have specialist knowledge, commercial insurance, and licensed storage. The Legal Status of Mortar Fireworks
Mortar fireworks were banned for public sale in following a series of fatal accidents.
