TOKYO, April 21 (Reuters) - The Group of Seven (G7) countries are considering a near-total ban on exports to Russia, Kyodo news agency reported on Friday, citing Japanese government sources. Asked about the Bloomberg report, Japan's Chief Cabinet Secretary Hirokazu Matsuno said the government was aware of it but refrained from commenting on exchanges among G7 countries and like-minded nations about possible further sanctions against Russia. Asked about the Bloomberg report, Japan's Chief Cabinet Secretary Hirokazu Matsuno said the government was aware of it but refrained from commenting on exchanges among G7 countries and like-minded nations about possible further sanctions against Russia