The Public Health Bill has been defeated in the Senedd tonight, after Plaid Cymru withdrew its support at the last minute.
Their decision came after Public Services Minister Leighton Andrews described a previous deal with the party as like a "cheap date".
Health Minister Mark Drakeford said he was "deeply disappointed".
I am deeply disappointed the Public Health (Wales) Bill will not become law. Full statement here: https://t.co/HsuTzTp7AH
More top news
Rain clipping the far north through the evening but elsewhere staying dry with some sunny spells.
Public Health Wales figures show 25 more cases of the virus have also been confirmed.
Photos taken on Saturday morning show Roald Dahl Plass strewn with empty beer bottles and discarded canisters of laughing gas.