Simionov, 33, was attacked after trying to stop more people trying to force a party at Fountain House on Park Lane in London on the morning of January 1st. He tried to defend his colleagues and was massacred to death.
The metropolitan police gave the twenty-five year old Ossama Hamed and the 23-year-old Norwegian Aden Hamada.
The inspector Garry Moncrieff said: "Ossama Hamed and Né Aden Hamada are dangerous individuals to be trapped".
Two of Simionov's colleagues, 29 and 37, were stabbed in a row and a 29-year-old woman. All were then excommunicated.
A woman was indicted for obstruction of justice. Shaymaa Lamrani, 26, was accused Friday of obstruction of justice, according to the Metropolitan Police. He will testify later.
Another man, the son of the Muslim cleric Abu Hamza, Imran Mostafa Kamel, was indicted for possession of firearms with the intention of endangering other people in connection with an incident that occurred in Fountain House, too. minutes after the murder.