According to the source, Mourinho will be joined by Swiss President Alain Berset and by the Aide to the Russian President, Igor Levitin.

The Group E match between five-time World Cup winners Brazil and Switzerland will kick off at the Rostov Arena at 21:00 Moscow Time (18:00 GMT).

The two teams will also face Costa Rica and Serbia as part of their group-stage matches.

The 2018 FIFA World Cup will last till July 15, with the games set to be played at 12 stadiums across 11 Russian cities.