Complex sentence: A Brezhnev loyalist, he was removed from office under pressure from Mikhail Gorbachev, accused of rampant corruption; his removal and replacement by Gennady Kolbin provoked street riots in Almaty, which were the first signs of ethnic strife during Gorbachev's tenure.
Split into simpler sentences: A Brezhnev loyalist, he was removed from office under pressure from Mikhail Gorbachev, who accused him of corruption. This provoked street riots in Almaty, which were the first signs of ethnic strife during Gorbachev's tenure.