Russian opposition leader Alexei Navalny detained upon returning home following poisoning

• Alexei Navalny, the Russian opposition leader and critic of Russian President Vladimir Putin, has been detained after flying back to Russia on Sunday.
• The longtime critic of Russian President Vladimir Putin's regime nearly died after being poisoned in late August and spent the last five months recovering from the assassination attempt in Germany.

Police detained prominent Kremlin critic Alexei Navalny on arrival at a Moscow airport on Sunday after he flew home to Russia from Germany for the first time since he was poisoned last summer.

It was the first time Navalny has been back home since he was poisoned last summer. His plane was diverted to another Moscow airport at the last minute in an apparent effort by authorities to thwart journalists and supporters greeting him.

His plane had been meant to arrive at Moscow's Vnukovo Airport, but landed at Moscow's Sheremetyevo airport instead. The flight was operated by Russian airline Pobeda, owned by state-controlled Aeroflot.

Navalny, one of President Vladimir Putin's most prominent domestic critics, was flown to Berlin in August last year for emergency medical treatment after being poisoned with what German tests showed was a Novichok nerve agent.

"This is the best moment in the last five months," he told reporters after he boarded the plane in the German capital bound for Moscow. "I feel great. Finally, I'm returning to my home town."

He announced his decision to return from Germany on Wednesday, and a day later Moscow's prison service said it would do everything to arrest him once he returned, accusing him of flouting the terms of a suspended prison sentence for embezzlement, a 2014 case he says was trumped up.

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The 44-year-old, who boarded the plane at the last minute from a car sitting on the tarmac, hence avoiding other passengers, made light of the risk of returning home.

He said he didn't think he would be arrested, calling himself an innocent person.

"What do I need to be afraid of? What bad thing can happen to me in Russia?" he added. "I feel like a citizen of Russia who has every right to return," he added.

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He was accompanied by his wife Yulia, his spokeswoman, and his lawyer.

Navalny, who is hoping for success in parliamentary elections in September, faces potential trouble in three other criminal cases too, all of which he says are politically motivated.

A conundrum for the Kremlin

His return poses a conundrum for the Kremlin: jail him and risk protests and punitive Western action by turning him into a political martyr. Or do nothing and risk looking weak in the eyes of Kremlin hardliners.

The opposition politician, who says he has nearly fully recovered, says Putin was behind his poisoning. The Kremlin denies involvement, says it has seen no evidence that he was poisoned, and that he is free to return to Russia.

Navalny says the Kremlin is afraid of him. The Kremlin, which only refers to him as the "Berlin patient," laughs that off. Putin allies point to opinion polls that show the Russian leader is far more popular than Navalny, whom they call a blogger rather than a politician.

Before news the plane was being diverted to another airport, some of his supporters gathered at Moscow's Vnukovo airport despite bitterly cold minus 20 Celsius weather and over 4,500 new coronavirus cases a day in the Russian capital.

Riot police made several detentions at the airport and cleared a crowd of people waiting for Navalny to land, Reuters reporters saw.

There was a heavy police presence at the airport with dozens of police trucks.

Before Sunday, at least 2,000 people used a Facebook page to say they planned to be there, with another 6,000 expressing an interest.

The Moscow prosecutor's office, which says it has officially warned 15 pro-Navalny organisers, had said the event was illegal because it was not sanctioned by the authorities.

(Reporting by Polina Ivanova, Maria Tsvetkova, Andrew Osborn, Maria Vasilyeva, Anton Zverev, Gleb Stolyarov and Tom Balmforth; Writing by Andrew Osborn; Editing by Frances Kerry and Pravin Char)