Covid discovered in Brazil, Boris Johnson said on Wednesday. Speaking to MPS on the Liaison Committee, the prime minister said he was "concerned" about a new variant of coronavirus found in the South American nation.He added the UK is “taking steps” to keep it out in order to further protect the country and insisted current border controls are "tough" enough to "protect this country".But he did not say the UK could be banning arrivals from Brazil, although there have been reports the Govt is considering this.Mr Johnson said: "I think it's fair to say that there are lots of questions we still have."We already have tough measures...