Extinction Rebellion Cambridge, Friends of the River Cam, Cambridge Friends of the Earth and Green Party join forces.
Barclays temporarily closed as campaigners demand end to fossil fuel investments.
They targeted the oilfield services company – formerly known as Schlumberger – on Friday.
CPS offered no evidence in case that has lasted nearly three years.
They were all fined several hundred pounds
Donald Bell says: ‘We should be intensifying not slowing down our actions.’
Extinction Rebellion’s "We Quit" announcement on New Years Eve seems to have generated some confusion
The vigil included the pouring of fake oil over a papier mache earth
Activists from Extinction Rebellion are outside Senate House in central Cambridge to stage their protest
The protestors have now left the site