Two German citizens have been arrested by the Bulgarian police as suspects for the brutal murder of a 48-year-old German in the Black Sea city of Burgas last night.

The two detainees, a man and a woman, are known to be friends of the victim; the three of them arrived in Burgas together.

According to the Bulgarian police, they rented together an apartment in Burgas for 6 months, bTV reported.

A Bulgarian waiter from a local bar is also a suspect for the murder, police sources say.

The body of the German man was found at 3 am on Wednesday on a beach alley in Burgas stabbed to death several times in the head and the body.

According to information of the Bulgarian Interior Ministry, the three Germans knew one another from a rehab clinic in Germany where they have undergone alcoholism treatment together.

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