Did this occur while the Labor Government was in power ?
Yes. If I recall my UK history, Labor was in control from the sacking of Winston Churchill right after the war, up until the 1980s with Maggie Thatcher. I’m not sure though the Tories in the UK are any less latently anti-Semitic than Labor, however...
Maybe I'w wrong, but I thought Benjamin Disraeli was a Tory.
shalom b'SHEM Yah'shua HaMashiach
Latently anti-semitic?
Well, yes, if by that you mean, fail to bow down and do whatever Israel wants/says/does without a whimper, or have the effrontery to actually criticise them in some way...
Tories did have a couple of short terms in office between 1946 and the Thatcher years.
See above...