President Barack Obama has described a series of budget cuts totalling $85 billion as "dumb and arbitrary".
The measures are set to come into effect at 11:59pm tonight after congressional leaders failed to reach agreement on how to tackle the deficit.
There are fears the series of automatic cuts - known as sequestration - could damage US economic growth and lead to hundreds of thousands of job losses.
ITV News Washington Correspondent Robert Moore reports:
More top news
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.