Charities should put aside their normal activities and plan for the "disaster" of a no-deal Brexit, the Welsh First Minister has said.
Mark Drakeford issued the warning at yesterday's gofod3 conference in Cardiff, organised by the Wales Council for Voluntary Action.
Drakeford, who is also the leader of Welsh Labour, abandoned his pre-planned speech to focus on the consequences of a no-deal Brexit, which he said would be a disaster too great for government to deal with.
Charities, he said, would need to "step up to the challenge".
"We will have to mobilise every resource that we have in Wales to help those who are the most vulnerable in our society," he said.
"And that means government, of course, it means our public services, of course, but it means all of the organisations that are represented in this room as well."
Drakeford, who was speaking before a panel discussion by the Wales Civil Society Forum on Brexit, which is a partnership between the WCVA and the Wales Governance Centre at Cardiff University, said people would rely on the resilience of civil society organisations working on the ground to help them through the "chaos".
He said: "Over the next week, we all have to be thinking and planning and putting to one side the things we normally would be doing in order to make sure, if that contribution is needed, the voluntary and the third sector here in Wales will do what it has done so many times in the past and step up to the challenge we will have to face together.
"I’m sorry to have struck such a bleak note, but the days really are seeping through our fingers and the reality of what could happen is staring us in the face.
"We all have to find ways, in the next few days, of mobilising together so that we are as best prepared as we possibly can be to face what we might have to deal with next week."
About 900 delegates attended gofod3, which is the WCVA's main event each year.