Original sentence: As most of South Ossetia's inhabitants by this time held Russian citizenship, Russia, citing Chapter VII Article 51 of the United Nations Charter (the self-defence Article) sent troops into South Ossetia through the Roki Tunnel in the morning of 8 August
Edited sentence: As most of South Ossetia's inhabitants by this time held Russian citizenship, Russia, citing Chapter VII Article 51 of the United Nations Charter sent troops into South Ossetia through the Roki Tunnel in the morning of 8 August