LONDON (Reuters) -Russia should not be allowed to host soccer events such as the Champions League final after Russian President Vladimir Putin recognised two breakaway regions in eastern Ukraine, British Prime Minister Boris Johnson said on Tuesday. Britain said that it would discuss the location of the Champions League final, which is scheduled to take place in St Petersburg in May, with the relevant governing bodies. Asked whether he would push for the Champions League final to be moved, Johnson told lawmakers: “I think it inconceivable that major international football tournaments can take …