Almost 1,400 rescuers were searching for those who could have been buried under debris in temperatures of -17 degrees Celsius (1.4 degrees Fahrenheit), which are forecast to plunge to -24 degrees Celsius (-17 degrees Fahrenheit) overnight.
Reports said that the blast ripped through the building at around 0100 GMT (9am Malaysian time) when numerous residents were asleep. A search and rescue effort is underway involving 469 emergency workers.
Officials warned that two more sections of the Soviet-era high-rise on Karl Marx Street were in danger of collapsing.
Magnitogorsk is a city of about 400,000 just over 1,000 miles from Moscow.
Almost 1,400 rescuers searched for people who might be buried under building debris in temperatures of -17 C. The forecast called for temperatures to plunge to -24 C overnight. He promised to quickly provide new apartments for those who were left homeless. Investigators opened a criminal probe into the accident, with the FSB security service confirming the blast had been the result of a gas explosion.
Gas blasts have become a relatively common occurrence in Russian Federation over recent years as the country struggles to cope with aging Soviet-era infrastructure and loose safety requirements, according to Reuters.
United Nations appeals for violence-free elections in DR Congo
Worryingly, Mutsuva said they didn't believe Ebola had existed in Beni: "They came with this disease to barricade the elections". Sanctions were first placed two years ago after a violent crackdown on street protests and repeated delays to the elections.
China want retrial for jailed Canadian
Prime Minister Justin Trudeau has confirmed that McIver's case does not appear to be linked to that of the other two detainees. A government spokesman did not specify when the Canadian was released or returned to Canada .
F1 sees distinguished manufacturers make a welcome return
It would also be nice to see a more competitive side to the sport, which usually sees one side dominate the entire season. The team is looking at Charles Leclerc from Ferrari, Marcus Ericsson or Antonio Giovinazzi who is a reserve for Ferrari.