Travellers coming to the UK from international destinations could find themselves facing spot checks of £1000 if they fail to self isolate for 14 days.Under new measures to guard against a second wave of coronavirus, the UK Government is expected to outline the plans which will be introduced early next month, a senior Government official confirmed.Home Secretary Priti Patel is due to provide full details during the daily Downing Street briefing later today.Exemptions to the rules will apply for road hauliers and medical officials and common travel with Ireland will be unaffected.Arrivals from France will not be exempt, the official has confirmed after there was confusion earlier this week.Travellers will be asked to fill out a form with