Nine Tajiks, said to have been living in a caravan, died in a fire in the Moscow region last week.
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Moscow region governor Andrei Vorobyev told Russian state-television that the fire alarm seems to have worked but the fire spread too quickly.
Mr. Kasparov, the world chess champion and head of the Moscow region branch of the Democratic Party of Russia, is a contributing editor of the Journal.
Sunday's death was at a military hospital in Yekaterinburg, in the Urals, and the earlier deaths were at a military hospital in Podolsk, in the Moscow region.
Zarutsky was detained on Tuesday in the Tver region north of Moscow, police said.
Security forces conducted their operation in the Orekhovo-Zuevo region of the Moscow suburbs.
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The end came when journalist Olga Alenova from Moscow's Kommersant newspaper visited the region and Mr Yepishin approached her.
Moscow has simply run out of money to subsidise the region, ease the worst of its social problems and reward political friends.
On Friday, Russia - which shares a border with North Korea - summoned US and South Korean envoys to urge them to cancel the exercises, saying Moscow was "deeply concerned" about rising tensions in the region.
For example, the city of Moscow (which, with St Petersburg, has the status of a region) has flagrantly flouted a federal ruling that its residency rules are illegal.
With the aircraft's fuel pump, navigation equipment and radio paralysed, the pilots glided the plane to a lower altitude and landed it on an airfield near the village of Izhma in the Komi region, about 1, 500 km (930 miles) from Moscow.
Elsewhere in the region Russia's RTS index was down 0.9% in Moscow during the afternoon.
In an interview with a Moscow newspaper, President Vladimir Putin's adviser on child rights said one Siberian region, Kemerovo, has already pioneered some of the plans.
Oil in the Caspian region is now channeled principally through pipelines to Russian Black Sea ports, and Moscow wants to keep it that way, because that means it controls the flow.
Moscow's calibrated relationship with China is a step toward cautiously reasserting its weight in the region's affairs.
Equally Moscow is signalling to the US and the West that it intends to defend its interests in the region, our correspondent adds.
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More important still is the signal this all sends about Moscow's foreign policy ambitions and the role that it intends to play in Syria and the wider region.
The Kremlin and Chechnya's Moscow-appointed administration portrayed the referendum as a key step toward peace and a return to normal life in the region.
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