The number of people killed after a rush-hour subway derailed in Moscow has risen to 20, according to Russian news agency Itar-TASS, quoting emergency officials.
Russia's emergencies ministry (EMERCOM) reported that over 1,000 people had been evacuated from the scene.
Investigative Committee spokesman Vladimir Markin ruled out the possibility that it was related to terrorism, saying: "There are no signs of a terrorist attack, so most likely it is an industrial accident".
More top news
German news agency dpa reported that prosecutors decided to seek Mr Stadler’s arrest due to fears he might try to evade justice.
David Dimbleby is stepping down after 25 years presenting the BBC show.
British Transport Police (BTP) were called to Loughborough Junction station in south London at 7.30am on Monday.