 On March 6 Vano Merabishvili announced that four officers - Gia Alania, Avtandil Aptsiauri, Aleksandre Gachava and Mikheil Bibiluri - from the Interior Ministry had been arrested on suspicion of killing Sandro Girgvliani.The minister gave no motive for the crime but stated that he had "evidence proving that they have committed this crime".The names of the four men had not been mentioned in the report, aired by Imedi television on February 12.