Public transport
Delay or avoid using metro lines if there are active investigations or visible security operations; choose surface transport alternatives where safe.
A suspect has been extradited in connection with a prior metro spraying of an unknown substance, indicating authorities may increase checks and investigations.
Local area avoidance
Avoid the immediate area of the Sergiev Posad incident and follow local closures—emergency response and investigations are ongoing; expect restricted access.
A gas explosion and large fire in Sergiev Posad caused multiple injuries and at least one death; investigators have opened a criminal case and emergency services remain active.