Chanting slogans, carrying signs and waving flares, these eager young men who gather in Egypt could be mistaken for Arab Spring demonstrators.

And in this country, the recently-banned hardcore football fans known as ultras have played a political role.

Swiss teen Belinda Bencic won the Rogers Cup on Sunday, following her upset of Serena Williams with a 7-6 (5), 6-7 (4), 3-0 victory over an ailing Simona Halep.

The 18-year-old Bencic won her second WTA Tour title after breaking through this summer on grass in England at Eastbourne. She's ranked 20th.

Two small planes collided midair while approaching an airport in San Diego County on Sunday, killing at least four people and sparking brush fires in a remote field where the wreckage landed, authorities said.

The collision occurred at about 11 a.m., Federal Aviation Administration spokesman Ian Gregor said.

A Syrian rebel group said Saturday that a rare ceasefire negotiated with Hizbullah fighters in a Syrian town and two villages was over as shelling resumed.

The 72-hour ceasefire in the northern rebel-held town of Zabadani, near the border with Lebanon, as well as in Foua and Kafraya, two Shiite villages in Idlib province, was reached earlier this week and was to last until Sunday.

Lebanese authorities on Saturday arrested a fugitive Islamic cleric wanted for his role in deadly clashes with the army as he tried to flee the country.

Ahmed al-Asir was apprehended at Beirut's Rafik Hariri International Airport while trying to travel to Nigeria via Cairo with a fake Palestinian passport, General Security announced.

Migrants on a Turkish beach scuffled over places on one inflatable dinghy and frantically bailed out another to keep it from sinking during a dramatic night that highlighted their desperation to reach the Greek island of Kos — and the safety of Europe.

The scenes of human trafficking, captured early Saturday by Associated Press journalists on a moonless night, came as Turkish authorities reported that 2,791 migrants have been caught in the Aegean Sea in the past 5 days alone, most of them Syrians.

Air pollution is killing about 4,000 people in China a day, accounting for 1 in 6 premature deaths in the world's most populous country, a new study finds.

Physicists at the University of California, Berkeley, calculated that about 1.6 million people in China die each year from heart, lung and stroke problems because of incredibly polluted air, especially small particles of haze. Earlier studies put the annual Chinese air pollution death toll at 1 to 2 million, but this is the first to use newly released Chinese air monitoring figures.

A couple who took their nearly 5-foot boa constrictor for a swim in a Pennsylvania river say the pet slipped away and they're concerned about its welfare.

The Bloomsburg Press Enterprise reported Thursday (http://bit.ly/1JfL8XN ) that Kolby and Zachary Latranyi had been swimming with the snake named Leyla last weekend in the Susquehanna (suhs-kwuh-HAN'-uh) River. The Latranyis say the red-tailed boa was shedding, so the swim was designed to help it remove material from its scales.

Authorities want to talk to a man who donned a fairly realistic bear costume — head and all — and wore it when harassing a bear and two sows trying to feed on pink salmon in an Alaska river.

The incident happened Monday on the Chilkoot River near Haines, said Alaska Fish and Game Assistant Area Management Biologist Mark Sogge.

Estonian authorities say they will cull about 3,700 pigs to prevent the spread of African swine fever.

Agriculture ministry spokeswoman Karin Volmer says two more cases of the disease have been found in domestic pigs in southern Estonia, the northernmost of the three Baltic countries.