Senior figures within the Labour Party have expressed significant reservations regarding any future political cooperation with the Green Party. This shift in stance follows a controversial policy decision by the Green Party to classify Zionism as a form of racism. According to reports, a Labour minister stated that they cannot foresee a path for the two parties to work together, while other government officials have urged the party to formally rule out any future coalition or formal working arrangements.

The impact of the Green Party's policy decision is also being felt within the Liberal Democrat party. Some senior Liberal Democrats are reportedly pressuring their leadership to terminate existing local governing arrangements with the Green Party, specifically citing the coalition currently in place in the London borough of Southwark. These developments suggest a broader political fallout as mainstream parties react to the Green Party's recent ideological stance. While Labour and some Liberal Democrat members are distancing themselves, the Green Party has not yet issued a public response to these calls for isolation. The situation highlights the growing tension between the parties as they navigate the implications of the Green Party's new policy on Zionism.