Conservatives open up record lead - ICM poll

British Prime Minister Theresa May's Conservative Party has opened up the biggest lead on record for polls conducted by research firm ICM, suggesting it remains on course for a sweeping win in a national election in a month's time.An ICM poll published on Monday, which was conducted immediately after the Conservatives scored big wins in local elections last week, gave May's party a 22-point lead over the opposition Labour Party ahead of the June 8 national election.