Section 8.01-591 shall not apply to those cases in which an emergency exists and it is necessary that a receiver be immediately appointed to preserve the subject matter. In such emergency cases a receiver may be appointed and the order of appointment shall state the emergency and necessity for immediate action, and shall require bond in proper amount of the applicant or someone for him with sufficient surety conditioned to protect and save harmless the owners, lienors and creditors, lien or general, in the subject matter taken over by the receiver, from all damages and injury properly and naturally flowing from such emergency appointment of a receiver.