Stuart Carrington and referee Andrew Barklam have tested positive for Covid-19 at snooker’s Matchroom.Live English Open in Milton Keynes.
Carrington came into contact with Sam Craigie on Sunday so both players have been withdrawn from the event.
Carrington was due to play Thepchaiya Un-Nooh in the first round on Tuesday, while Craigie was due to face Anthony McGill on Monday. Un-Nooh and McGill both receive a bye to the second round of the world ranking event.
All other players and officials tested at the event so far have had negative results.
Carrington and Craigie will now undergo a period of self isolation and will receive the support of WST.
Since WST events restarted in June, strict Covid-19 regulations have been and continue to be followed, under UK Government guidance.