In a letter to the Telegraph last September, an alliance of prolife campaigners describe the practice of aborting foetuses on physical grounds as a form of eugenics.
The letter, signed by pro-life campaigners and religious groups, argues that the current law enshrines a form of disability discrimination.
They wish to restrict the 1967 Abortion Act, to prevent doctors terminating pregnancies on the grounds of physical abnormality.
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It comes after security was stepped up around the country following the Manchester Arena attack which killed 22 people.
A murderer nicknamed 'Houdini' after escaping the death penalty seven times has been given the lethal injection.
The distress signal sparked a police hunt in the area to find the person or group who made it.