Corey Flintoff

President Vladimir Putin has responded angrily to the downing of a Russian fighter jet near the Syrian-Turkish border Tuesday. Turkey said its aircraft shot down the Russian fighter after it violated Turkish airspace — a claim Moscow denies.

Russian finally acknowledged a terrorist plot brought down a Russian jetliner over Egypt last month. In Paris, the Muslim community worries there will be a backlash against them after the attacks.

Russia has been provisionally suspended by international track and field's governing body. The decision could keep Russian athletes out of next year's Olympic Games in Brazil.

Russia is facing a demographic crisis. Some women are having more babies, but there are fewer mothers overall. The country may face worse economic problems and challenges staffing its armed forces.

Russia responded angrily to the report which said there is alleged widespread drug use by the country's track and field athletes, and corruption in Russia's main sample testing laboratory.

Images show Pyotr Pavlensky standing before the doors to the Lubyanka, the Soviet-era prison and former KGB headquarters that now houses the main office of the FSB security service.

The latest information on the Russian airliner that crashed in Egypt. All 224 people on board were killed.

Russia promises a "credible" investigation into Saturday's plane crash over the Sinai peninsula that killed all 224 people on board. Investigators are looking into what could cause the Airbus A321 to disintegrate in flight.

Russians are observing a day of mourning for the more than 200 people who died in a plane crash in Egypt. Officials have begun an investigation into the crash and the airline that owned the plane.

Russia says its commitment there is limited, but some analysts are skeptical and warn Russia may find it increasingly difficult and expensive to maintain its Syrian operation.