LONDON — Security fears in Brussels are of "great concern" to the International Tennis Federation (ITF) ahead of next week's Davis Cup final between Belgium and Britain in Ghent, the governing body said on Saturday.
Belgium put the capital on maximum security alert on Saturday, shutting the metro and warning people to avoid crowds because of a "serious and imminent" threat of coordinated, multiple attacks by militants.
It follows last Friday's deadly attacks in Paris by Islamic State militants, of whom one suspect from Brussels is at large.
ITF president David Haggerty said in a statement: "Over the last week, the ITF has been in constant contact with the relevant authorities, the Royal Belgian Tennis Federation, the Lawn Tennis Association and our risk assessment company and this dialogue continues today.