The bodies of four people, including two teenagers, who took part in an excursion into Moscow’s sewer tunnels have been found in the Moskva River, Russian media and Telegram channels said on August 21. Heavy rain hit the Russian capital during the tour of the underground water drainage system on August 20. The group's guide, Konstantin Filippov, is among an unspecified number of people who are still missing. The Investigative Committee launched a probe into "providing services that do not correspond to safety standards that caused deaths." One person was detained for questioning. To read the original story by RFE/RL's Russian Service. click here.