Officials say several events are postponed to ensure safety of athletes.
Storm piles misery on Syria's internally displaced and refugees in Lebanon, with UN saying it is "concerned" about 2.8 million people in the war-ravaged region.
Powerful winter snow storm snarls US transport, shuttering the federal government and bringing capital Washington DC to a standstill.
With many people still without electricity or safe drinking water, Tim Boyd, a now-former mayor of a West Texas town, came under fire for his Facebook post lashing out against freezing residents for complaining.
A rare deep freeze in Texas raises demand for power and forces the US state's electric grid operator to impose rotating blackouts, leaving nearly three million customers without electricity.
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