The letter and the two bullets for a Kalashnikov have been sent for analysis along with the envelope they arrived in, which was addressed to the minister and stencilled in English.
Israel president threatened over 'Jewish terrorism' comment
Italy ramped up security after militant attacks in Paris on Nov. 13 killed 130 people.
Neither Orlando nor the ministry had received threats of this kind in the past, the spokesperson said.
Sending bullets by post is a way that Italy's organised crime groups have traditionally threatened their enemies.
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