“The couple had an argument around 11:45 a.m. at the refugee shelter on Wollenbergerstrasse.

A man attacked his 44-year-old wife and mortally wounded her, ”RIA Novosti quotes a message from the press service of the Berlin police.

It is noted that the woman is a citizen of Ukraine, who is in Germany in the status of a refugee. 

Neighbors speculated that she was killed with a kitchen knife in front of the couple's two children.

The juveniles were handed over to guardianship authorities.

Earlier, the Spanish police announced the arrest of four members of the Ukrainian criminal group, which extorted money from their compatriots, using violence.