Synopsis Those arriving will have to pre-book and pay 1,750 pounds to spend 10 days quarantining in government-sanctioned hotels, covering the cost of the hotel, transport and two separate tests post-arrival. AFP Extremely serious breaches of the new norms could result in a 10-year jail term and fines of up to 10,000 pounds. London: The UK's tougher new travel rules to contain the spread of COVID-19 variants came into effect from Monday, involving compulsory hotel quarantines for anyone returning to England from one of the 33 high-risk "red list" countries. Those arriving will have to pre-book and pay 1,750 pounds to spend 10 days quarantining in government-sanctioned hotels, covering the cost of the hotel, transport and two separate tests post-arrival. Extremely serious breaches of the new norms could result in a 10-year jail term and fines of up to 10,000 pounds.