BERLIN — A package containing a hand grenade was found Monday at the Croatian Embassy in Germany's capital, officials said.
Specialists are investigating whether the device could have exploded, police said.
Croatia's Foreign Ministry said it was informed by police that the package contained a hand grenade accompanied by a threatening letter.
Croatian President Ivo Josipovic is due to hold talks in Berlin on Thursday with Chancellor Angela Merkel.
A spate of parcel bombings across Europe recently targeted embassies in Greece, Italy and one in November reached Merkel's office.