When the presidents of the USA and Ukraine met in front of the press corps, the reporter was among the hand-picked reporters. At the same time, the international news agencies Reuters and AP had already been excluded.
This week, the White House decided that their officials would "determine" which media are regularly allowed to cover President Trump in his proximity. Previously, this decision was made by a group of media organizations.
The White House denies that the Tass employee had permission to be present and Tass was not on the approved list of media.
As soon as the press department became aware that he was in the Oval Office, he was escorted out by the press secretary, says a White House representative to CNN.