The MP said he has received "several serious threats to my personal safety", including a suspected arson attack on his constituency office.
“People in Batley and Spen fully respect and understand that," Kim Leadbeater said.
"Leaders have a duty to behave responsibly and politics is not a game. Our country deserves far better," Kim Leadbeater said.
Labour MP Kim Leadbeater says her partner asked her to stand down following fatal stabbing of veteran Tory.
Two MPs have been stabbed to death in the last five years.
The newly-elected MP for Batley and Spen said she'd "give literally anything not to be standing here today in her place".
Sometimes I can’t even begin to deal with the grieving process while there is still so much work to be done.
Activists have had ribs cracked, been punched in the face, and called 'traitors' – the word used by MP Jo Cox's murderer when he appeared in court in 2017.
After the Supreme Court’s ruling that Boris Johnson’s prorogation of parliament was unlawful, MPs returned to Westminster. The debate however immediately descended into what will go down as one of parliament’s lowest moments, with Johnson accused of inflammatory language by friends of murdered MP Jo Cox. Is Brexit not really about Brexit anymore and more about something else?Outside Westminster, Labour’s party conference in Brighton was dogged by splits. Does it look like a party ready to govern?Brexit and parliamentary expert at the Institute for Government, Maddy Thimont Jack and Director of the UK In A Changing Europe’s Anand Menon join Arj and Paul to discuss the week.
Jo Cox's Widower 'Felt Sick' After Boris Johnson Said Best Way To Honour Murdered MP Was To Get Brexit Done
Brendan Cox has urged all sides to dial down dangerous rhetoric after angry scenes in the Commons on Wednesday night.