Do not carry explosive or dangerous items in your hand luggage. According to nidirect.gov.uk, the following items are prohibited in hand luggage:
Prohibited Items in Hand Luggage
The following items are strictly prohibited from being carried in your hand luggage on a flight:
- Blasting caps
- Detonators and fuses
- Imitation explosive devices (including replica or model guns)
- Mines, grenades, and other explosive military stores
- Fireworks and pyrotechnics
- Smoke canisters
- Smoke cartridges
- Dynamite
It is important to note that this is not an exhaustive list, and airlines may have additional restrictions. Always check with your airline before you travel to ensure that you are not carrying any prohibited items.