This Wikipedia extract suggests jno is technically correct- although he was a member of the Blair cabinet he gave up the Labour whip in the House of Lords in 2012 and is now classed as an independent
Sewel was first elected to political office as an Aberdeen District Councillor in 1974, serving as council leader from 1977 to 1980, and also as president of the Convention of Scottish Local Authorities from 1982 to 1984. He was an influential member of the Scottish Constitutional Convention from 1994 to 1995.
On 10 January 1996 he was created Baron Sewel, of Gilcomstoun in the District of the City of Aberdeen,[3] and became Parliamentary Under-Secretary of State at the Scottish Office from 1997 to 1999, serving as the Minister for Agriculture, Environment and Fisheries. As such he piloted the Scotland Act 1998 through Parliament and helped draft the plans for the new Scottish Parliament. At the first election to the Parliament, Sewel was a candidate as third on the Labour Party list for North East Scotland, but was not elected.
As an active member of the House of Lords, Sewel chaired the European Union Select Committee in Agriculture, the Environment and Fisheries and is a member of the NATO Parliamentary Assembly. His interests focus around European Union and NATO enlargement, constitutional change and rural development.
Sewel was elected Chairman of Committees on 9 May 2012, whereupon he gave up the Labour whip in the House of Lords. He resigned as Chairman of Committees on 26 July 2015 after allegations he used cocaine at a party with prostitutes.[4]