
A senior administration official said Trump would make the landmark announcement -- which flies in the face of warnings from America's allies across the region and the world -- at 1 pm (1800 GMT) from the White House.
Reuters reported the men were identified as Naa’imur Zakariyah Rahman, 20, of north London, and Mohammed Aqib Imran, 21, of south-east Birmingham.
The IOC Russia ban was announced after the World Anti-doping Agency (WADA) and two subsequent IOC investigations confirmed Russian athletes to have participated in a drug-cheating programme which peaked during the 2014 Winter Olympics in Sochi.
Caruana Galizia, 53, was one of Malta's most prominent public figures, thanks to a widely read blog she used to expose crime and corruption.
German business paper Handelsblatt reported on Tuesday that Mueller had subpoenaed Deutsche Bank to hand over financial information about Trump and members of his family.