The two men were arrested on suspicion of robbery-murder after Kinuyo Oshio, 90, was found dead at her home in Komae with her hands tied and head bleeding.
Police believe the murder was part of a string of robberies across Japan that is believed to have been coordinated by four men who were deported from the Philippines earlier this month.
Two men were arrested on Feb. 22 on suspicion of carrying out a fatal robbery at a 90-year-old woman's home in western Tokyo in January, a case believed to be linked to a string of burglaries seen across the country over the past year or so.
Police on Feb. 22 arrested four men over a deadly home burglary in western Tokyo last month, a case that solidified a Philippine connection with a string of robberies committed in Japan.