Question to the Home Office:

To ask the Secretary of State for the Home Department, how many Border Force category (a) A, (b) B and (c) C alerts were (i) issued and (ii) produced a successful outcome for maritime and air freight for each year since 2010.

This information is exempt from disclosure under sections 31(1) (a) & (e) of the Freedom of Information Act due to the potential to compromise National border security.