[8][9][10] Foxcroft made her maiden speech in a debate on the Scotland Bill on 8 June 2015, in which she quoted lyrics from The Red Flag.

[11] After the election of Jeremy Corbyn as Labour leader in September 2015, Foxcroft was appointed as a whip.

[15][16] In November 2018, Foxcroft said, "Sadly, the increase (in the number of young people killed in knife attacks) does not surprise me.

And beyond the tragic fatalities, there's an exponentially larger number of knife attacks that don't kill children but do create a climate of fear".

There have been several legal challenges to this end claiming the government is violating human rights law.