Europe's migration crisis involves big figures, as men, women and children who in many cases are fleeing war and poverty in their own countries flood into Europe in great numbers not seen since World War II. As European Union leaders and governments struggle to deal with the continent's migrants crisis, here are some key figures:

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Micha Benoliel grew up in France and launched his first technology startup there, but he never forgot the atmosphere of adventure and optimism in San Francisco, where he studied in the early 1990s.

So when he came up with an idea for a smartphone app that could send messages without Internet or cellular connections, he went back to California in 2011 to pursue his dream.

A Hawaii spear fisherman who was bit in the leg by a tiger shark off the coast of the Big Island swam to shore and then filmed a video of his deep wound as he was being carried away on a gurney.

"I just got attacked by a tiger shark," an exasperated Braxton Rocha, 27, of Kapaau, Hawaii, said in the shaky video posted to Instagram. The footage pans down the man's body to a gaping gash in the middle of his left leg.

The Hungarian government placed advertisements in the Lebanese press on Monday warning of "the strongest possible action" against anyone attempting to cross its borders illegally.

But a full-page notice in other local newspapers featured a letter by the Doctors Without Borders group urging the European Union to open its borders to refugees.

U2 has canceled a concert in Sweden after a security breach prompted police to evacuate the Globe Arena in Stockholm.

Police said they stopped the event late Sunday due to a security problem as spectators entered the arena.

A substitute had to be sent in for Colorado State University's mascot sheep on Saturday after the 24th mascot died shortly before the team's big day.

Colorado State University President Tony Frank says CAM the Ram died Saturday, the same day as the Rocky Mountain Showdown with the CU Buffaloes.

Prime Minister Tammam Salam traveled on Sunday to the United Arab Emirates where he paid condolences to Sheikh Mohammed bin Rashid Al Maktoum Vice President and Ruler of Dubai over the death of his eldest son.

Education Minister Elias Bou Saab accompanied Salam in his visit, the National News Agency said.

The U.S. Environmental Protection Agency said Friday that Volkswagen intentionally skirted clean air laws by using a piece of software that enabled about 500,000 of its diesel cars to emit fewer smog-causing pollutants during testing than in real-world driving conditions.

The agency ordered VW to fix the cars at its own expense. The German automaker also faces billions of dollars in fines, although exact amounts were not determined.

A California company has recalled several brands of soft cheeses after they were linked to 24 illnesses around the U.S. over the last five years, including a 2012 death in Ohio.

The Centers for Disease Control and Prevention said Friday that Karoun Dairies, Inc., has voluntarily recalled and stopped production of several cheeses, including those sold under the brand names Karoun, Arz, Gopi, Queso Del Valle, Central Valley Creamery and Yanni.

Mexican authorities have detained 13 more people in connection with the prison escape of drug capo Joaquin "El Chapo" Guzman.

A statement from the federal Prosecutor's Office on Friday says 11 men and 2 women were arrested and taken to prisons.