A suicide bomber killed 38 people Thursday and wounded more than 50 others, most of them Pakistani policemen attending a funeral on the eve of the Eid al-Fitr Muslim festival, an officer said.

The attack at police headquarters in the southwestern city of Quetta was the latest in a series of attacks highlighting the major security challenges faced by a newly elected government.

A suspected U.S. drone strike in Yemen killed six alleged al-Qaida militants Thursday in one of the group's former strongholds in a central province, a military official said.

The strike — the sixth by a U.S. drone over the past 10 days — came as Yemen remained on high alert following threats of a terror attack targeting Western and Yemeni government interests.

A plane from Ireland made an emergency landing at the Philadelphia International Airport in the United States on Wednesday because of an unspecified threat, the Associated Press reported.

The AP said federal authorities were at the airport because of an apparent bomb threat.

Samsung Electronics Co. has applied for U.S. and South Korean trademarks for a watch that connects to the Internet in the latest sign that consumer technology companies see wearable devices as the future of their business.

Samsung described "Samsung Galaxy Gear" as a wearable digital electronic device in the form of a wristwatch, wrist band or bangle in its July 29 application with U.S. Patent and Trademark Office. A month earlier, it applied for a "Samsung Gear" trademark in South Korea.

Lady Mary will be mired in grief as season four of "Downton Abbey" begins, mourning the loss of her husband, Matthew.

But a string of suitors awaits when she's ready to live again, said Michelle Dockery, who plays Mary in the hit drama that will return to the Public Broadcasting Service's "Masterpiece" next January.

Michel scored in the 53rd minute to give Valencia a 1-0 victory over Everton on Tuesday in the playoff for fifth place in the eight-team Guinness International Champions Cup.

Michel, returning to the club for the coming campaign after spending the last season at city rival Levante, controlled Aly Cissohko's cross from the left side with his chest, let the ball settle at his feet and fired his shot past Everton's Spanish goalkeeper Joel.

Vasek Pospisil of Canada ground out a 5-7, 7-6 (5), 7-6 (4) win over America's John Isner in the first round of the Rogers Cup on Tuesday.

Two-time defending Rogers Cup champion Novak Djokovic also moved on, cruising to a 6-2, 6-1 win against Florian Mayer.

Venus Williams lost in her first match in more than two months, falling 0-6, 6-4, 6-2 to Kirsten Flipkens at the Rogers Cup on Tuesday.

It was Williams' first tour match since she lost in the first round of the French Open on May 26. The 33-year-old missed Wimbledon, after 16 consecutive appearances, because of a lower back injury.

Luis Suarez on Tuesday accused Liverpool of breaking an agreement in his contract by refusing to let him leave Anfield, saying he had been promised permission to join another club if the Reds failed to reach the Champions League.

In his first public comments since Arsenal made a 40-million pound bid for the Uruguay striker, Suarez told British newspaper The Guardian on Tuesday that he is ready to take his case to the Premier League, and called on Liverpool to "honor our agreement."

Forget elephants. Dolphins can swim circles around them when it comes to long-term memory.

Scientists in a new study repeatedly found that dolphins can remember the distinctive whistle — which acts as a name to the marine mammal — of another dolphin they haven't seen in two decades.