Russia's foreign ministry said in a statement that the Polish authorities had burst onto the embassy school's grounds with the aim of seizing it.
It is now clear that key countries linked to the West are all concerned that fighting may grow worse and access to basic things such as medical services and even clean water may be an issue.
The “Humans of the Holocaust” exhibition tells the extraordinary stories of 40 Holocaust survivors as well as those humans of the second and third generations.
The embassy received three letters on Thursday, one of which contained a powder, the RIA news agency reported.
Mammadov, along with the ambassadors of Guatemala, Ecuador, Sri Lanka, Suriname and Malawi, had originally been scheduled to present his credentials on March 9.
The Times of Israel said the move would take place in an act of support by Hungarian Prime Minister Viktor Orban for Prime Minister Benjamin Netanyahu.
"You were paid by the Russians for your treachery," a judge stated.
The Chadian leader is in Israel at the moment and will officiate at the inauguration of the embassy, whose location was not clear.