Friday in Pictures: January 29

A photograph of a member of the audience is on a cellphone with Democratic presidential candidate Hillary Clinton as she greets members of the audience after speaking at a rally at Grand View University in Des Moines, Iowa on Jan. 29.

Republican presidential candidate, Sen. Marco Rubio, R-Fla. speaks during a town hall meeting, in Burlington, Iowa on Jan. 29.

Heidi Cruz, whispers to husband and Republican presidential candidate, Sen. Ted Cruz, R-Texas, as they are introduced during a campaign event,in Ringsted, Iowa on Jan. 29.

Jonathan Van Norman, a field staffer for Republican presidential candidate, Sen. Rand Paul, R-Ky., loads campaign material into a van after a town hall at the National Sprint Car Hall of Fame and Museum in Knoxville, Iowa,on Jan. 29.

Republican presidential candidate, New Jersey Gov. Chris Christie speaks during a campaign event at the Maytag Student Center, in Pella, Iowa, on Jan. 29.

Jim Beasley watches Democratic presidential candidate, Sen. Bernie Sanders, speak during a campaign a campaign event in Mt. Pleasant, Iowa, on Jan. 29.

Andy Murray of Britain reacts during his semi finals match against Milos Raonic of Canada at the Australian Open tennis tournament in Melbourne, Australia, on Jan. 29.

A child waits with other migrants and refugees for security check after crossing the Macedonian border into Serbia, near the village of Miratovac, on Jan. 29. More than one million migrants and refugees crossed the Mediterranean Sea to Europe in 2015, nearly half of them Syrians, according to the UN refugee agency, UNHCR. The International Organisation for Migration said las week that 31,000 had arrived in Greece already this year. / AFP / ARMEND NIMANIARMEND NIMANI/AFP/Getty Images

Migrants and refugees wait for security check after crossing the Macedonian border into Serbia, near the village of Miratovac, on Jan. 29. The International Organisation for Migration said las week that 31,000 had arrived in Greece already this year.

French farmers set up a fire to they block the RN165 motorway near Arzal, western France, during a protest against the falling of prices of their products, demanding structural measures to strengthen price rates in Brittany, on Jan. 29.