Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Two men have been arrested over an attempt to import a "deadly haul of firearms" similar to those used in mass shootings in the United States.

Men arrested over AR-15 type 'deadly weapon haul'