Councils will be able to draw upon a £4m fund to cover the bill for giving residents a rebate while they are out of their homes.
The councils will not be forced to introduce the payment exemptions, Number 10 said.
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The report also said that many graduates do not even see a 'earnings premium' from their years at university.
The country's counter-terrorism forces have regained control of the facility.
The commissioner of the Metropolitan Police has said he cannot promise the public an attack will not take place.