A son of the president of Russia's Tatarstan region was named among 50 people thought to have been killed in a plane crash in the region's capital.
Rustam Minnikhanov's son, Irek, was on the flight from Moscow to Kazan, according to a passenger list posted by news websites whose authenticity was confirmed by the regional government.
More top news
Planets outside our solar system could have earth-like oceans, evidence suggests. Could it mean a higher chance of extra-terrestrial life?
Prince Harry has waved goodbye to the people of Australia after a one-month attachment - meaning he will soon be united with his new niece.
Nearly a quarter of children in the UK under the age of five are overweight or obese, according to researchers.