Jim Lo Scalzo/EPA
A performer greets arrivals to the 41st Annual Conservative Political Action Conference at the Gaylord National Resort & Convention Centre in National Harbor, Maryland, USA
A morning commuter walks through the snow in the US city of Philadelphia, on Thursday
A snow plow clears downtown lanes on Interstate 75/85 during a winter storm on Wednesday in Atlanta.
Team USA huddles around the net before the game against Switzerland during the 2014 Winter Olympics women’s ice hockey game at Shayba Arena, Sochi, Russia
US President Barack Obama endorses the National Day of Prayer by attending the celebratory breakfast in Washington, DC, on Thursday
A man walks past a sculpture covered by a light dusting of snow in the US city of Baltimore
North America has been hit by the coldest temperatures in decades after a a polar vortex led to extreme weather conditions. In Baltimore, temperatures remain well below freezing, with ice forming on buildings, cars and roads.
Visitors walk through the holiday lights display “ZooLights” at the Lincoln Park Zoo in Chicago, Illinois.
John Moore/Getty Images
Protesters chained together block the entrance of an immigrant detention centre on Tuesday in Elizabeth, New Jersey. A coalition of immigrant advocacy groups marked international Human Rights Day by staging the civil disobedience action at the Elizabeth Detention Center where eight protesters were arrested by police. Organisers said the event was designed to draw attention to the continued mass deportations of undocumented immigrants by the US Immigration and Customs Enforcement, as well as Congress’s inability to pass immigration reform.
A commuter waits for a train during a snowstorm in Philadelphia, US
A shopper rests in the shoe section of Macy’s Herald Square store in New York on Black Friday, the US’s busiest shopping day of the year
A Spiderman balloon floats down Central Park West in New York during a Thanksgiving parade
A nightime aerial view of downtown in the US city of Chicago
(From left) Luca Vettori, Matteo Piano and Jiri Kovar, of the Italy men’s volleyball team, jump to block a ball during their match against the US at the FIVB Grand Champions Cup tournament in Tokyo
President Barack Obama awards former president Bill Clinton with the presidential medal of freedom on Wednesday, during a ceremony at the White House, Washington.
James Getty, portraying President Abraham Lincoln, stands before a ceremony commemorating the 150th anniversary of the dedication of the Soldiers National Cemetery and President Abraham Lincoln’s Gettysburg Address on Tuesday, in Gettysburg, Pa. Lincoln’s speech was first delivered in Gettysburg nearly five months after the major battle that left tens of thousands of men wounded, dead or missing. Getty is scheduled to deliver the Gettysburg Address at Tuesday’s ceremony.
Matt Slocum / AP
Boston Red Sox relief pitcher Koji Uehara and catcher David Ross celebrate as Red Sox beat St. Louis Cardinals to end a 95 year wait to clinch the World Series title at Fenway Park Stadium, Boston.
As the BART transit system entered its fourth day of strikes, traffic slows on the Richmond-San Rafael Bridge, as San Francisco Bay Area commuters started the new working week on Monday with gridlocked roads and long lines for buses and ferries. At the same time, federal investigators were searching for clues to a weekend train crash that killed two workers.
Jacquelyn Martin / AP
Joe Biden, US vice-president, greets Environmental Protection Agency workers with muffins as they return to work after 16 days of a US government shutdown at the William Jefferson Clinton Federal Building in Washington.