Ian Paisley has warned the government not to support any attempt by MPs to use its Human Fertilisation and Embryology Bill as a "backdoor" to legalising abortion in
The controversial legislation has provisions to allow amendments to the Abortion Act 1967 which critics fear could see it extended to the province for the first time.
MPs are also expected to push for a reduction of the 24-week limit to 20 when the Bill comes to the Commons.
Speaking at prime minister's question time, the Stormont first minister said: "Would you give the people of
He added: "All parties in
Gordon Brown said: "The matter of an amendment on abortion to the
embryology bill is a matter for this House.
"I do not believe the House will wish to change its mind on these issues but it is a matter of a free vote of the House of Commons."
Brown had earlier agreed to a free vote on crucial elements of the bill amid objections from senior cabinet members and church leaders.
Setting out a compromise solution, Brown said there would be free votes on three clauses, including the most hotly-disputed - allowing scientists to create "admix" embryos with human DNA and animal cells.
However, he stressed Labour MPs would still be ordered to back the Bill as a whole because it was "necessary" to create an "ethical framework for the development of embryo research" in







