The US has already imposed sanctions on Turkey for the purchase of a batch of S-400 missile defence systems.
The International Olympic Committee dashed Russian athletes' hopes of marching behind their national flag at the Winter Games on Sunday, deciding against immediately lifting Russia's Olympic suspension after fresh doping violations
For the second time in three days at the ATP Finals, Rafael Nadal fought off one of the game's rising powers but beating Greek Stefanos Tsitsipas proved in vain as his semi-final hopes vanished on Friday.
A group of Russia-backed Cossack militants has been held responsible for shooting down Malaysia Airlines Boeing 777-200 flying from Amsterdam to Kuala Lumpur, near the village of Chornukhine, some 80 kilometers north-west of Donetsk.
Weakened and bruised by sport's biggest doping scandal in decades, Russia is under siege at the Rio Games.
Indian wrestler Yogeshwar Dutt's chances of the London Olympics medal being upgraded from bronze to silver is all but over but Wrestling Federation of India (WFI) claimed it was unaware of the development.
'What will happen? Yes, nothing will happen. Athletics will develop, the guys will train. Well, they will miss maybe one tournament'
Favourites Russia Tennis Federation opened their Davis Cup Finals campaign with a resounding victory over Ecuador, Britain began with a win against France and Italy eased into the quarter-finals with a win over Colombia on Saturday.
The payment of Kremlin grants will cease the month after anti-doping authorities find an athlete, coach or sports specialist guilty of involvement in the use of performance- enhancing drugs, Putin's decree said.
The Taliban's main challenge comes on the financial and economic front and there Pakistan doesn't have the capacity to be of any meaningful help, observes Ambassador M K Bhadrakumar.
Croatia defender Domagoj Vida apologised after his team's World Cup semi-final victory over England on Wednesday after speaking out in support of Russia's neighbour and adversary Ukraine.
Medvedev whips Dimitrov to enter US Open final
Summary of sports events and persons who made news on Friday.
European Athletics president Svein Arne Hansen does not expect Russia to return to international competition in time for next year's Olympic Games in Rio de Janeiro.
Investigators have also been looking for any evidence of possible financial crimes by Trump associates.
Novak Djokovic endured a fierce challenge to his Melbourne Park reign before overhauling Dominic Thiem 6-4, 4-6, 2-6, 6-3, 6-4 on Sunday to clinch an eighth Australian Open crown and reclaim the world number one ranking. While Rafa Nadal rules Roland Garros with 12 titles, Djokovic holds sway in the title match at Rod Laver Arena having never lost a final in Melbourne Park.
Two namesake coaches who have propelled Russian synchronised swimming to one medal after another hope to blow rivals out of the water once again at the Rio Olympic Games.
Russian whistleblower Yulia Stepanova may be in danger after her revelations on doping in her country that triggered a massive scandal and forced her to flee, but it is not the International Olympic Committee's responsibility, the IOC said on Saturday.
Djokovic may never feel the affections of the crowd savoured by Federer and Spaniard Rafael Nadal but his record of 16 Grand Slam titles is proof that tennis is no popularity contest.
A summary of sports events and sports persons, who made news on Wednesday
A summary of sports events and sports persons, who made news on Wednesday
The Kudankulam Nuclear Power Plant will attain criticality by mid-night on Saturday, Atomic Energy Commission Chairman S K Sinha announced in Tirunelveli.
The Clinton campaign and the Democratic Party have alleged that the Russian interference had contributed in Trump's electoral victory
The FBI chief said that in the last presidential elections, the Russians were not able to change the actual vote tally, but one day they might.
We have not suffered such huge price shocks across so many basic commodities, at the same time, in decades. Has the inflationary impact of all this been factored into stock prices as yet, asks Debashis Basu.
The Trump administration is confronting and countering malign Russian cyber activity, including their attempted interference in the US election, destructive cyber-attacks, and intrusions targeting critical infrastructure, said Treasury Secretary Steven T Mnuchin.
Ash Barty's bid to end the host nation's long wait for a homegrown Australian Open champion will begin against Ukraine's Lesia Tsurenko
After Sunday's thrashing Medvedev was left wondering if his best would have made any difference.
Mueller, who investigated into ties between Russia and the Trump campaign, resigned on Wednesday.
The league has proved an unlikely draw for fans overseas who are starved of matches in their own countries. In choosing to stay open, it took its cue from President Alexander Lukashenko, who has resisted imposing strict lockdown measures.
Even as Marat Safin prepares to take the plunge come December, rediff.com takes a look at a few other tennis stars who have entered the political arena.
The eight men to watch during the US Open which starts on Monday.
The International Olympic Committee (IOC) last year suspended AIBA, the International Boxing Association, over issues surrounding its finances and governance and took over the boxing competition and qualification for the 2020 Olympics.
Sankalp Gupta becomes India's 71st GM.
Russia claimed the IAAF's decision to continue its ban of Russian athletics on Friday was unfair and threatened legal action, while the rest of the world welcomed the move and urged the IOC not to go against it.
The Indian mixed 4x400m relay team on Wednesday won a bronze to clinch the country's fifth medal in the history of Under-20 World Athletics Championships in Nairobi.
Russia is ready to carry out an investigation into doping allegations against its athletes in concert with independent organisations, Interfax news agency quoted Sports Minister Vitaly Mutko as saying on Friday.
Russia has named a track and field team for the Rio Olympics which includes gold medallists Yelena Isinbayeva and Ivan Ukhov among 68 athletes who are hoping an IAAF ban on them competing will be lifted by sport's highest court later this month.
Rafael Nadal gave Russian teenager Andrey Rublev a tennis lesson on Wednesday, racing into the semi-finals of the US Open with a ruthless 6-1, 6-2, 6-2 win that cleared the path for a possible showdown with rival Roger Federer.
Russian drug cheats will be competing at next month's Rio Olympics, the whistleblowers who helped uncover the country's doping scandal have told the BBC.