Russia has expelled a British diplomat, Gareth Samuel Davies, accusing him of spying and working for UK secret services. The UK's Charge d'Affaires was summoned, and a formal protest was lodged. Russia warned of retaliation if the UK escalates the situation.
French police have arrested a Russian man suspected of planning to destabilize the Olympics.
The Russian Federal Security Service (FSB) on Monday said that its officers had detained a suicide bomber, a member of the Islamic State terrorist group, who was plotting a terrorist attack against one of India's leadership elite, Russia news agency Sputnik reported.
The Wagner forces also shot down several Russian aircraft, leading to the deaths of an undisclosed number of airmen whom Putin has praised as "fallen hero pilots."
Putin's statement comes after Yevgeny Prigozhin, the alleged head of the Wagner mercenary group, in a series of recordings released on social media on Saturday, announced that his troops had taken control of military facilities in two Russian cities.
Pakistan and Afghanistan have become 'incubators' of terrorism, and pose a threat to Russia and all constituents of the Commonwealth of Independent States (CIS) of former Soviet republics, Russian security chief said on Tuesday. "These countries have become an 'incubator' of terrorism and extremism, which are spreading into the region, CIS countries and the whole world," Director of Federal Security Service (FSB) Alexander Bortnikov was quoted as saying.
The victims of the attack were suffering from coughing, suffocation and rapid heartbeats. Several of them are being treated at the scene of the attack, the report addded.
Forty persons were hurt when suspected Chechen rebels rammed an explosive-laden truck into the regional headquarters of Russia's Federal Security Services in Ingushetia.
Russian investigators said they are close to identifying the attackers of Tu-154 plane of Sibir Airlines which crashed in Rostov region.
They were allegedly attempting to illegally cross the Russian-Ukrainian border.
'But India, increasingly, is not that far behind, which is a story I never expected to tell.'
They are the Lashkar-e-Tayiba, Jamaat-e-Islam and the Hizbul Tahri al Islami.
The World Anti-Doping Agency (WADA) on Monday recommended that the IOC and International Paralympic Committee should consider banning all athletes entered by the Russian Olympic Committee for next month's Rio Olympics.
The World Anti-Doping Agency (WADA) is to investigate Russian doping allegations relating to the 2014 Winter Olympic Games in Sochi, WADA said on Tuesday.
The Russian President falls short of blaming the IS for the attack, vows to step up air strikes in Syria.
The US has slapped additional tough sanctions on Russia's financial services and energy sectors for the failure of Moscow to taken enough steps to address the volatile political situation in Ukraine.
Russian President Vladimir Putin "probably approved" the murder of former KGB agent Alexander Litvinenko who died in a London hospital in November 2006 from radioactive poisoning, a British public inquiry concluded on Thursday.
Pussy Riot protest band members Maria Alyokhina and Nadezhda Tolokonnikova said they were detained on suspicion of theft in the Winter Olympics host city of Sochi on Tuesday, less than two months after their release from prison under an amnesty.
Here are some reactions from the world of sport on of widespread state-sponsored doping by Russian athletes at the 2014 Sochi Olympics.
India's nuclear establishment is continuing its march of folly at the expense of safety in the false belief that atomic power is the energy of the future. It's not. Nuclear power is in relentless global decline, says Praful Bidwai.