Some types of objects are not allowed aboard as hand luggage because their features make them liable to disturb security/safety aboard the aircraft.
Find out which objects are not allowed:
Any object that is capable of (or appears to be capable of) shooting projectiles and causing injury, such as:
Pointed or bladed articles capable of causing injury, such as:
Any blunt instrument capable of causing injury, including:
Any explosive or highly combustible substances which pose a risk to the health of passengers and crew or the security/safety of aircraft or property, including:
Any chemical or toxic substances which pose a risk to the health of passengers and crew or the security or safety of aircraft or property, including:
Poisons