By Timothy Heritage
MOSCOW, March 6 (Reuters) - Russian opposition leaders accused Vladimir Putin of changing tactics to crack down on dissent after riot police detained hundreds of protesters challenging the legitimacy of his presidential election victory.
Black-helmeted police hauled away more than 500 people, including several opposition leaders, who attended unsanctioned rallies in Moscow and St Petersburg on Monday or refused to disperse at the end of a rally that had been permitted.
Many including Alexei Navalny, an anti-corruption blogger who has become a leading light of the protest movement, were quickly released but some faced the prospect of receiving short jail sentences on Tuesday.
After three months of protests that passed off peacefully, the police intervention sent a clear signal that Putin is losing patience with the opposition and will crack down if protesters step out of line.
But the restraint shown by most police, even as they bundled protesters into vans, also suggested that Putin is determined not to give his critics the chance to depict him as a dictator ready to suppress any challenge to his authority.
"The use of force and detention of opposition politicians could have been avoided," defeated presidential candidate Mikhail Prokhorov said in a Twitter message late on Monday.
"It was a peaceful rally. I am outraged by the use of force against people who came to express their views. Today's events at Pushkin Square broke the tradition of the recent peaceful protest rallies in the country."
Ksenia Sobchak, a television host who has fallen out with Putin, her late father's protege, said: "I was so hoping the regime would show generosity after winning."
Witnesses said that although some protesters were hurt, and one said her arm had been broken, officers seemed intent on avoiding casualties at the main protest on Moscow's Pushkin Square, often the scene of Soviet-era dissident protests.
But reporters saw police using tougher tactics against a group which tried to protest at Lubyanka Square, in front of the headquarters of the Federal Security Service, successor to the Soviet-era KGB.
The police had told protesters not to attend those rallies which had not been approved by the authorities and prosecutors warned some opposition leaders not to step out of line.
"EYES OF A DICTATOR"
The pattern appears clear: Putin will allow a few isolated protests, the place and time of which is agreed with the authorities, as a safety valve for disillusionment with his 12-year domination of Russia among mainly urban demonstrators.
He could also offer some conciliatory gestures to appease the opposition. In one such move, the Kremlin has ordered a review of 32 criminal cases including the jailing of former oil tycoon Mikhail Khodorkovsky and the refusal to register a liberal opposition group which has been barred from elections.
But Putin, a former KGB spy, will do his utmost to prevent what he regards as more radical protesters undermining his return to the Kremlin for a third term as president after four years as prime minister. Dissent will be dealt with forcefully.
"We saw fear in the eyes of the dictator. We saw weakness. We saw a man who is unsure of himself," Ilya Yashin, an opposition leader, told the rally at Pushkin Square after Putin shed a tear in his victory speech on Sunday.
"Has war begun? Why have they brought troops into the centre of our capital? Why the riot police? Who does he want to wage war with? Who is he protecting himself against?"
The U.S. ambassador to Russia, Michael McFaul, said on Twitter that the arrests were troubling and freedom of assembly and speech were universal values.
Foreign investors fear any confrontation with protesters would set back prospects for economic reforms which they say are needed to reduce Russia's dependence on energy exports.
FRAUD ALLEGATIONS
The United States has called for an independent and credible investigation into all allegations of voting irregularities in Sunday's election.
Several European countries have also signalled their concern over the allegations of cheating but at the same time underlined a desire to keep working with Russia.
International monitors said there had been some improvements from a parliamentary poll on Dec. 4 which observers said was marred by irregularities, but the vote was still unfair and heavily skewed to favour Putin.
Independent monitoring group Golos said that, based on returns its observers had seen, Putin would have won if there had not been fraud with a bare majority of just over 50 percent. The official tally put him on almost 64 percent.
The opposition has scheduled its next big protest in Moscow for Saturday. This will test its ability to continue to attract large crowds now Putin has won the election without bowing to any of its main demands.
Putin has retained strong support outside the big cities. The opposition's challenge is to unite mainly well-educated and relatively well-off Russians who want less corruption and more openness and democracy.
"I used to love Putin, like any woman who likes a charismatic man. But now I think he is getting senile. Nobody can stay in power forever," Vasilisa Maslova, 35, who works in the fashion trade, said at Pushkin Square.
"Voting yesterday, I felt like I was choosing the least dirty toilet in a crowded train station." (Additional reporting by Lidia Kelly, Alissa de Carbonnel and Thomas Grove Editing by Douglas Busvine and Elizabeth Piper)
Peter Worthington: Putin: The Devil We Know
Russian protesters fear Putin resorting to force - Yahoo! News
BBC News - Russia election: Police arrest 550 at city protests
Mass arrests in Russia after anti-Putin rally - World - CBC News
Russians Protest Putin in 'Big White Circle' - ABC News
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Posted: 03/ 6/2012 3:32 am Updated: 03/ 6/2012 11:46 pm