The leader of Plymouth City Council is hoping to force the Government to reveal the impact Brexit will have using new legal powers.
Tudor Evans plans to invoke the Sustainable Communities Act to force the Government to share any information it holds about what Brexit will mean for Plymouth, even if it is considered confidential.
The council is thought to be the first in the country to use the Act in this way.
Cllr Evans said: 'We've seen various dossiers released in the last few weeks.
'They have been at best woolly and do not address what Brexit means for individual communities.
'Although we are the first council to use the act in this way, I don't expect us to be the last.
'I will be speaking to colleagues all around the country in the next few days to help put pressure on the Government for answers.
'This doesn't have to be all doom and gloom.
'If there are advantages to Brexit then tell us so we can exploit them, but we must also know where there are disadvantages so that we can temper them.'