Lord Sewel resigned from his £84,500 per year post after the video was leaked to the Sun newspaper and published in an expose on Sunday.
Even if police take no further action, Sewel, 69, is facing calls to quit parliament altogether, and he could become the first peer to be expelled under new rules he was instrumental in implementing.
The footage show’s Sewel naked with two women at his apartment in Dolphin Square, a luxury residence close to parliament. Flats in the block, which are popular among MPs and Lords, are also being investigated as part of the inquiry into alleged historic child sex abuse.
The video shows the Lord snorting white powder, which the paper alleges to be cocaine, from between the breasts of a prostitute using a five pound note, which a different shot shows Sewel wearing a bra and leather jacket while smoking a cigarette.
He is further believed to have paid one of the women £200 for the night.
Lord Speaker Baroness D'Souza said: “Today’s revelations about the behavior of Lord Sewel are both shocking and unacceptable. Lord Sewel has this morning resigned as chairman of committees.
“The House of Lords will continue to uphold standards in public life and will not tolerate departure from these standards.
“These serious allegations will be referred to the House of Lords Commissioner for Standards and the Metropolitan Police for investigation as a matter of urgency,” her statement read.
Sewel could be expelled under the House of Lords Suspension and Expulsion Act 2015, which was given Royal Assent in March. The Act states peers may be barred if they do not stick to a strict code of conduct, and that they must “always act on their personal honor.”
The Lords Privileges and Conduct Committee, which Lord Sewel chaired before the video emerged, will decide on a punishment after the Lords Commissioner for Standards Paul Kernaghan has gathered evidence.
Police sources noted that drug allegations were difficult to investigate with only video evidence rather than physical substances.
Labour MP John Mann said Sewel should resign from the Lords before he is forced to go.
“He chaired the committee that makes the decisions on discipline. It was his committee,” the MP for Bassetlaw said.
“He cannot possibly go in front of his own committee and expect a serious hearing.
“He is a disgrace. He should retire and resign immediately.
“A lifetime ban would be the committee’s only option. He needs to save them and himself further embarrassment and go now.”
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