Winter winds brought extreme cold and ice-slicked roads to the Midwestern and Eastern United States on Monday, with the US Martin Luther King Jr. Day holiday and an ongoing government shutdown allowing many to heed official advice to stay indoors.
A major winter storm struck the US East Coast on Friday, bringing heavy rain, snow and strong winds and leading to the cancellation of hundreds of flights and closure of federal government offices in Washington.
The heavy snowfall lashing Europe forced Geneva airport to suspend all air traffic Thursday, while trains in Switzerland were also facing delays.
Two people were found dead in Romania as snow and sub-zero temperatures across much of Europe saw flights cancelled, road and rail transport disrupted and schools closed on Tuesday.
The deputy governor of Kohgiluyeh and Boyer-Ahmad province was earlier quoted by state media as saying that the wreckage had been located near Dengezlu village, in Semirom county, in Isfahan province.
The Antonov An-148 plane went down in a snow-covered field, making it difficult to access, with emergency workers forced to reach the wreckage by foot or on snowmobiles.
Britain's Prince William and his wife Kate flew to Norway on the final leg of a Nordic trip on Thursday, and stepped out onto a red carpet laid out over a blanket of snow.
Commuters in Tokyo saw temperatures drop to four degrees below zero on Thursday morning, a level the capital had not seen in 48 years.
Utility companies across the East worked to repair downed power lines early on Friday as about 21,000 customers remained without electricity.
Britain's Met Office said there was an "amber weather warning" particularly across central England and warned travellers that "road, rail and air travel delays are likely."