Reuters Sports News Summary

Following is a summary of current sports news briefs.

Play suspended at Match Play due to snow

MARANA, Arizona (Reuters) - Play was suspended at 11.07 local (1.07 p.m. ET) because of driving rain and snow in the opening round of the WGC-Accenture Match Play Championship on Wednesday. Just over three-and-a-half hours of golf was possible on a bitterly cold and breezy morning at Dove Mountain before officials halted the action at the elite World Golf Championships (WGC) event as ice began to form on the greens.

Serena pulls out from Dubai with back injury

DUBAI (Reuters) - Serena Williams withdrew from the Dubai Championships because of a lower back injury just minutes before she was due on court for a second round match against Frenchwoman Marion Bartoli on Wednesday. The American's withdrawal means that the world's two best players are both out of the tournament after Victoria Azarenka, who beat Williams in the Qatar Open final on Sunday, also pulled out earlier in the week with a foot injury.

Witness heard "non-stop shouting" before Pistorius shooting

PRETORIA (Reuters) - A witness heard "non-stop shouting" in the home of South African athletics star Oscar Pistorius shortly before his girlfriend was shot dead, the detective leading the murder investigation said on Wednesday. Warrant officer Hilton Botha, a detective with 24 years on the force, also told the Pretoria magistrates court in a bail hearing that police had found two containers of testosterone and needles in Pistorius' bedroom.

Doping: Hamilton points finger at Fuentes in Puerto trial

MADRID (Reuters) - American cyclist Tyler Hamilton described in detail on Tuesday how the doctor at the center of the Operation Puerto trial oversaw his program of blood doping and supplied him with banned substances including EPO. Speaking through an interpreter by video link from the Spanish embassy in Washington, Hamilton spoke for almost three hours about his time as a patient of Spanish doctor Eufemiano Fuentes between 2002-04 when the rider paid him as much as 110,000 euros ($146,900) for his services.

Defending champion Radwanska into Dubai quarter-finals

DUBAI (Reuters) - World number four Agnieszka Radwanska overcame a misfiring serve to beat Kazakh teenager Yulia Putintseva 7-5 6-3 in the second round of the Dubai women's tennis championships on Wednesday. The Pole, who received a first-round bye, lost three of her first four service games on an overcast centre court and she will need to improve if she is retain her Dubai title, with Petra Kvitova or Ana Ivanovic awaiting her in the next round.

Red Sox net Carp in deal with Mariners 2013-02-20T172900Z_1_BRE91J10G_RTROPTC_0_US-BASEBALL-REDSOX-CAR P.XML () -

Hawks recover from late lapse to beat Canucks 2013-02-20T073501Z_2_BRE91J06C_RTROPTC_0_US-NHL-BLACKHAWKS.XML () -

Cycling: Katusha suspend Vicioso over doping case 2013-02-20T182847Z_2_BRE91J0Z4_RTROPTC_0_US-CYCLING-KATUSHA-VIC IOSO.XML () -

Foreign runners wary of possible Kenyan election violence

ITEN, Kenya (Reuters) - Foreign middle and long-distance athletes worried about potential violence during elections next month in Kenya are shunning high-altitude training in the country's Iten village. Britain's world women's marathon record holder Paula Radcliffe and double Olympic champion Mo Farah are among the elite runners who have pounded the dirt tracks criss-crossing the lush green hillsides perched some 2,400 meters above sea level.

Yordanov returns gold in protest at wrestling's demise

SOFIA (Reuters) - Bulgarian wrestling federation president Valentin Yordanov sent back his Olympic gold medal from the 1996 Atlanta Games on Wednesday, protesting against the International Olympic Committee (IOC) recommendation to drop the sport from the Games. "As a sign of protest I am returning my gold medal, won at the Olympic Games in Atlanta in 1996, to the headquarters of the International Olympic Committee in Lausanne," seven-times world champion Yordanov wrote in a letter to IOC president Jacques Rogge shown at an emotional news conference.