The UK government is running a secretive unit inside Michael Gove’s Cabinet Office that’s accused of ‘blacklisting’ journalists and hiding ‘sensitive’ information from the public. Experts say they’re breaking the law – and it’s an assault on our right to know what our government is doing.

We’re not going to let it stand. We’re launching a legal battle – but we also need a huge public outcry, showing that thousands back our call for transparency. Will you add your name?