Missing Russian General Sergei Surovikin Is ‘Taking a Rest’, Lawmaker Says

One top commander has disappeared since a mutiny. Another was killed in an airstrike in Ukraine. Another accused his leadership of treachery after being fired. And a fourth former commander was gunned down while out on a jog in what may have been an organized hit.

The ranks of the Russian military have continued to be roiled by instability in the days since a short-lived insurrection by Wagner mercenaries three weeks ago, as pressures from Moscow’s nearly 17-month war reverberate across the armed forces.

On Wednesday, mystery deepened over the fate of Gen. Sergei Surovikin, the country’s former top commander in Ukraine, who has been dubbed “General Armageddon” for his ruthless tactics, and who has not been seen since the Wagner rebellion.

One of the country’s top lawmakers said, when pressed by a reporter, that the general was “taking a rest.”

“He is unavailable right now,” the lawmaker, Andrei Kartapolov, the head of the Russian Duma’s defense committee, added in a video posted on the Telegram messaging app before hurrying away from the reporter.

General Surovikin, was considered to be an ally of Yevgeny V. Prigozhin, the leader of the Wagner mercenary company, whose forces mounted the brief insurrection in late June aimed at toppling Russia’s military leadership, before standing down in a deal with the Kremlin.

The New York Times reported that U.S. officials believe that General Surovikin had advance knowledge of the mutiny but do not know whether he participated. In the hours after the rebellion began, the Russian authorities quickly released a video of the general calling on the Wagner fighters to stand down.

The lawmaker’s enigmatic comment about General Surovikin came two days after the Russian authorities released the first footage of the country’s top military officer, Gen. Valery V. Gerasimov, since the insurrection.

In the video, General Gerasimov was receiving a report from the Russian Aerospace Forces, which are run by General Surovikin. But the person giving the update in the footage was General Surovikin’s deputy, Col. Gen. Viktor Afzalov.

General Surovikin’s location is just one of the many mysteries that have arisen since the mutiny. Despite a deal announced by the Kremlin, under which Mr. Prigozhin would depart Russia for Belarus and avoid prosecution, the mercenary tycoon appears to have remained in Russia.

The Kremlin disclosed earlier this week that Mr. Prigozhin and his top commanders had met with President Vladimir V. Putin five days after the mutiny, raising many questions about what sort of deal had been struck with the former insurrectionists. On Wednesday, the Ministry of Defense said that Russian armed forces had been collecting Wagner’s weapons, ammunition, and military equipment.

The matériel is expected to be restored for further use. So far, the mercenary group has handed over thousands of small arms and heavy weapons, the ministry said, including rocket launch and mortar systems, anti-tank guns and multipurpose armored tractors.

Russia, meanwhile, received another blow to its top military ranks. Lt. Gen. Oleg Tsokov, the deputy commander of Russia’s Southern Military District, was killed in Ukraine during a Monday night missile strike on the occupied city of Berdiansk, one of the highest-level losses for Russia during the course of the war, Ukrainian authorities announced.

A Russian lawmaker and retired general, Andrei Gurulyov, confirmed General Tsokov’s death in an appearance on state television Wednesday, saying he “died heroically.” The death recalled the early days of the war, when Ukrainian officials said they had killed about 12 generals on the front lines.

Mr. Gurulyov also released a recording late Wednesday of the commander of Russia’s 58th Combined Arms Army, Maj. Gen. Ivan Popov, explaining to his troops why he was relieved from commanding the unit, which is fighting on the front in Ukraine near Zaporizhzhia.

General Popov described a “difficult situation with the senior leadership,” which led to him being relieved after he brought up problems on the battlefield, including the lack of counter battery fire and artillery reconnaissance stations, as well as deaths and injuries the force is suffering from enemy artillery fire.

General Popov appeared to take aim at General Gerasimov without naming him, saying that while Ukrainian forces couldn’t break through his army unit from the front, “our senior commander hit us from the rear, treacherously and vilely decapitating” the army unit “at the most difficult and tense moment.”

Russian authorities also arrested a Ukrainian man Wednesday on suspicion of gunning down a former Russian submarine commander, Capt. Second Rank Stanislav Rzhitsky, earlier this week in the southern city of Krasnodar, where he had been serving as the deputy director of the city’s mobilization office.

Russian news outlets reported that Captain Rzhitsky, who posted his running routes publicly on the exercise service Strava, was shot to death while jogging in a Krasnodar park.

On Tuesday, the day after the body was found, Ukrainian military intelligence said on its official Telegram account that Captain Rzhitsky had commanded a submarine that was involved in missile attacks on Ukraine. Friends and relatives, however, told Russian news outlets that he had left active-duty military service before the February 2022 invasion.

The state news agency RIA Novosti, citing an anonymous source in Russian law enforcement, reported that the man arrested Wednesday had admitted under questioning to being recruited by Ukrainian intelligence to carry out the killing.

Captain Rzhitsky’s name had been entered in the online database Myrotvorets, which posts photographs, social media accounts and telephone numbers of people considered to have committed crimes against Ukraine.

A red stamp was added over his photograph on the database reading, “Liquidated.”