The Wagner Group is a private military company that has been accused of working for the Russian government to conduct combat operations.
The group, founded in 2014, has been sanctioned by the EU for alleged human rights abuse and is believed to have been sent to Ukraine from the Kremlin to assassinate Ukrainian President Volodymyr Zelensky.
According to The Times, more than 400 Russian mercenaries are operating in Kyiv with orders to assassinate Zelensky.