Summer holidays abroad have been given the go-ahead as restrictions on non-essential overseas travel are due to be relaxed.Ministers have confirmed that the mandatory quarantine rule in the UK will be scrapped for arrivals from certain tourist hotspots.Currently, anyone coming into the UK from abroad is expected to self-isolate for 14 days.But this new policy - introduced on June 8 - will be revised on Monday, after the Home Secretary said it would be reviewed every three weeks.The government is