Labour frontbencher Michael Dugher said:
David Cameron should show some leadership and demand a full apology from Aidan Burley immediately.
Burley has got form. His comments were stupid, ignorant and offensive.
David Cameron has said that the Conservative Party has changed but it is clear from the words of his own MP that not a lot has changed.
More top news
A three-year-old who used to have up to 250 seizures a day and was never expected to walk has just taken her first steps - see them here!
It will be a mainly dry but chilly start across the UK with a few showers across northern Scotland and northwest England.
Marks and Spencer will become the first UK retailer to add vitamin D to its entire packaged bread range.