A senator from Russia’s ruling party has been arrested for allegedly ordering a murder. The Federation Council, the upper house of the Russian parliament in Moscow, voted in favour of lifting Senator Dmitry Savelyev’s immunity, a spokesman said on Friday. Savelyev was arrested as soon as he left the session, the Russian state news agency TASS reported. The Russian public prosecutor’s office said the high-ranking politician allegedly commissioned a hitman to murder a businessman in August 2023. The plot was uncovered, but for tactical investigative reasons it was nevertheless pretended that the…