Campaigners say men are increasingly using the defence to try to get away with murdering women.
Read moreHarriet Harman
Sir Lindsay Hoyle and Chris Bryant go through to the final round of voting to find John Bercow's successor.
Read moreKate Whannel
BBC News
Six MPs set out why they should be the next House of Commons Speaker when John Bercow steps down.
Read moreReality Check team
BBC News
Amid concern about a "toxic" atmosphere in Westminster, BBC Reality Check looks at the level of threats MPs face.
Read moreLabour's ex-deputy leader is urged by her local party to withdraw her bid to replace John Bercow.
Read moreThe Mother of the House and Labour MP bids to replace John Bercow after he announced his departure.
Read moreLabour MP and Mother of the House confirms she will run to replace John Bercow
Lib Dems could help install Jeremy Corbyn if he has the support of enough Tories, Jane Dodds says.
Read moreLib Dem leader Jo Swinson says the veteran MPs could become PM, but Jeremy Corbyn rejects the idea.
Read moreThe Lib Dems leader said she's "been in touch" with both veteran MPs.







