Today we commemorate New Martyr St. Peter of Krutitsa. St. Peter was one of three Locum Tenens appointed by St. Tikhon of Moscow. St. Tikhon was martyred in 1925 and with the first two in prison, the Locum Tenens role fell St. Peter. Over fifty bishops signed a decree approving of him as Locum Tenens.

Here is a brief account from Russia’s Catacomb Saints on St. Peter