Bill Harper, chairman of the National Beef Association south-west region, spoke earlier of his fears that dioxins could enter the food chain through animals.

BBC: Pyre health risk warning

Emboldened by winning a majority in the House of Commons in May after leading a Conservative minority government for five years, Mr Harper has unveiled a bill to limit Senate terms to nine years and to encourage the provinces to hold elections for senators.

ECONOMIST: Stephen Harper tries reform by stealth

But Constitutional Reform Minister Mark Harper urged her to withdraw the bill.

BBC: MPs reject English laws plan

Mr Harper also said he wanted the bill to pass quickly because of provisions in it to reduce the number of MPs from 650 to 600 and make the size of constituencies more equal.

BBC: Parliamentary Voting Bill part one

But as they debated Lords amendments to the bill on 13 July 2011, constitutional reform minister Mark Harper told MPs that the government would not challenge a separate amendment, clarifying how Parliament would be able to demonstrate its confidence, or otherwise, in the government of the day.

BBC: Fixed-term Parliaments Bill

Also with Tess Harper, Maddie Corman, Bruce Altman, and Bill Raymond.

NEWYORKER: My New Gun

The minister in charge of constitutional reform, Mark Harper, appears before the joint committee considering the Draft Bill on House of Lords reform.

BBC: Viewing guide: The coming week's highlights in Parliament

On the committee corridor the big event of the day is the appearance before the special committee on the Draft House of Lords Reform Bill of the Deputy Prime Minister, Nick Clegg, and his junior minister, Mark Harper.

BBC: Week ahead in Parliament

But Constitutional Reform Minister Mark Harper said the amendment would "effectively drive a coach and horses" through the entire provisions of the bill.

BBC: Two-thirds dissolution rule 'is dangerous' - Tory MP