This hearing is expected to last about a week, with a lengthier court case examining the competition issues to follow.
He said he agreed the merger raised competition issues but concluded the public interest would be better served by not referring the deal.
But they raise an interesting point about the competition issue.
Seekers are allowed to post Challenges anonymously to avoid competition related issues.
"We may even lose some carriers, and then competition issues will be even more serious."
Carlsberg faces competition issues on a similar scale to those faced by Interbrew.
We believe these allegations regarding Google's search engine practices raise important competition issues.
In addition, I remain focused on competition issues affecting the agriculture industry, particularly the dairy sector.
I can assure you of my commitment to ensuring an ongoing and constructive dialogue on competition issues with this House.
The first is to debate competition issues from the perspective of the internal market as a whole.