Lisa Cameron accused the nationalist celebration of a “toxic and bullying” tradition after she spoke out about intercourse pest colleague Patrick Grady.

Prime Minister Rishi Sunak stated he was “delighted” at her change of celebration, whereas the SNP known as for a by-election.

In a bombshell assertion yesterday, the East Kilbride, Strathaven and Lesmahagow MP stated her well being has suffered by the hands of the nationalists.

She stated: “I do not feel able to continue in what I have experienced as a toxic and bullying SNP Westminster group, which resulted in my requiring counselling for a period of 12 months in Parliament and caused significant deterioration in my health and wellbeing as assessed by my GP including the need for antidepressants.

“I will never regret my actions in standing up for a victim of abuse at the hands of an SNP MP last year, but I have no faith remaining in a party whose leadership supported the perpetrator’s interests over that of the victims and who have shown little to no interest in acknowledging or addressing the impact.

“It is also true that I have received no contact from party leadership in the past weeks, despite members of every other main political party contacting me to offer support and compassion during what has been an extremely difficult time.”

The former NHS scientific psychologist stated she had acquired help from Mr Sunak, including that it was “in contrast” to the SNP.

Dr Cameron additionally hit out on the “significant division” attributable to the celebration’s push for Scottish independence and stated she would now deal with insurance policies that profit the entire of the UK.

Her defection comes on the day she was dealing with a variety battle to be the SNP’s candidate within the west of Scotland seat.

The Prime Minister stated: “Lisa is right that we should aim to do politics better, with more empathy and less division and a dedication to always doing what we think is right.”

Scottish Tory chief Douglas Ross added: “Like many ex-SNP supporters, she has realised that her former party is hopelessly divided under Humza Yousaf and incapable of focusing on the real priorities of the Scottish people.”

The sensational transfer comes after Dr Cameron final month claimed she was “ostracised” by the SNP for difficult the help given to former chief whip Mr Grady, who was suspended for making a sexual advance to a 19-year-old employees member.

An SNP spokesperson stated: “The people of East Kilbride, Strathaven and Lesmahagow will be appalled they are now represented a Conservative and Unionist MP.

“Lisa Cameron should now do the right thing and step down to allow a by-election.

“Her constituents elected an SNP MP, not a Tory, and they deserve to have the democratic opportunity to elect a hard-working SNP MP who will put the interests of Scotland first. On a personal basis, we wish her well.”

SNP chief and Scottish First Minister Humza Yousaf known as on Dr Cameron to resign her seat following her defection.

He stated: “It’s the least surprising news I’ve had as leader of the SNP, I must confess.

“Lisa Cameron should do the honourable thing, she should resign her seat.

“She should do the honourable thing by her constituents, who voted for an SNP MP, did not vote for a Conservative MP.”

He stated he was assured the SNP may win any by-election and her choice was a “betrayal” of activists who campaigned for her.

Mr Yousaf added: “To see somebody who claims to have supported Scottish independence cross the floor to the Conservative and Unionist Party betrays the fact that she probably never believed in the cause in the first place.”