Main news of June 27

A roundup of what has happened in the past 24 hours

WORLD

* Kyrgyzstan's interim leader Roza Otunbayeva said voters had approved a new constitution for the country

* More than half of voters in Kyrgyzstan's referendum on a new constitution approved the document, the Central Election Commission reported in preliminary results

* Russian election monitors did not see any major violations during Kyrgyzstan's referendum on a new constitution, Russia's top election official told said

* Kyrgyzstan's interim government extended the state of emergency in the south of the country until August 10

* The main part of the G20 summit in Canada got underway with three sessions and a working lunch expected to focus on the global economic situation

* The leaders of Russia, Germany and France held a trilateral meeting on the sidelines of the G20 summit in Toronto, a source in the Russian delegation said

* Ukraine's prime minister said he would ask Russia to help upgrade the infrastructure in Sevastopol, the Crimean city that hosts Russia's Black Sea Fleet

RUSSIA

* Another school has joined a hunger strike staged by teachers of secondary school No. 7 in the Ulyanovsk Region in Russia's Volga area to protest the school's liquidation, the chairwoman of the parents' committee said

* The northernmost active volcano in Russia's Far East Kamchatka Peninsula spewed plumes of ash more than 6 kilometers into the atmosphere, the regional branch of the Russian Academy of Sciences Geophysical Service said

* An emergency situation has been introduced in a district in Russia's southern Rostov Region over a swine fever outbreak