On Monday, 9 September the Irish embassy contacted the Russian foreign ministry to express its deep concern about the events of the weekend. On 11 September Ireland's ambassador to Russia handed over an aide-memoire along with a summary of incidents of violence to the acting director of the second European department of the Russian foreign ministry and asked that the various incidents be investigated. The foreign ministry undertook to forward this material to the ministry for internal affairs with a view to ensuring a thorough and prompt investigation by the police into the incidents.