GCSE exams could be scrapped under controversial new government proposals by 2015.
Plans to axe them in favour of English Baccalaureate Certificates have been criticised by the Commons Education Select Committee.
ITV Daybreak spoke to MP Graham Stuart from the Education Select Committee, who said the committee is questioning whether the Government has made a strong enough case to abolish the GCSE brand.
More top news
Thousands of people have linked hands on Westminster Bridge in a show of solidarity - one week after the terror attack in the capital.
PC Keith Palmer, 48, stabbed by Khalid Masood while on duty in the grounds of the Palace of Westminster last Wednesday.
Engineering firm CH2M won the £170 million contract but have pulled out of phase two of the project over alleged conflicts of interest.