ATHENS (Reuters) - A threatening letter containing a bullet has been sent to the Greek foreign minister, who is engaged in talks with Macedonia on a long-running name dispute, police said.
Nikos Kotzias has received other threatening letters and calls in recent months.
"The new envelope ... contained a bullet and a letter with references to his efforts on the Macedonian issue," a police official told Reuters on Saturday.
A letter addressed to Kotzias in February said there were "three bullets" for him.
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Greece, which has its own region called Macedonia, has objected to its neighbor's name since it broke away from Yugoslavia in 1991.
Kotzias is expected to travel to Skopje in the coming days to continue discussions on the issue.
The small ex-Yugoslav republic and Greece have agreed to step up negotiations this year to resolve the dispute, which has frustrated Skopje's ambitions to join NATO and the European Union.
(Reporting by Lefteris Papadimas; Editing by Andrew Bolton)