Main news of April 26

RUSSIA

* Russian Prime Minister Vladimir Putin set up a government commission to prevent the spread of swine flu in the country, the government's press secretary said

* Russia's chief sanitary official advised Russian citizens against visiting Mexico, hit by an outbreak of swine flu that killed several dozen people

* Voters in the Russian Black Sea resort of Sochi, which will host the 2014 Winter Olympics, went to the polls to elect a new mayor

* Bulgarian Prime Minister Sergei Stanishev arriving in Moscow on a working visit will discuss joint energy projects with Russian Prime Minister Vladimir Putin, a source in the Russian government said

WORLD

* Ukraine and other former Soviet republics affected by the Chernobyl nuclear disaster held ceremonies to mark the 23rd anniversary of the explosion

* Russian billionaire and Chelsea FC owner Roman Abramovich kept his position as Britain's second richest man, although his fortune fell more than 40%, The Sunday Times said

* At least seven people were killed and another nineteen were missing after landslides hit the Yunnan province in southwest China, the Chinese news agency Xinhua reported

* Two people were missing after the four-story building of the Star Academy talent show television project collapsed in Georgia's capital early in the morning