Actress Mali Harries a Super Furry Animals musician Cian Ciaran are among over 35 celebrities who have called on Cardiff Council to ensure that only Welsh medium schools will be opened across the city in the future.
Language campaigners have responded to a Gwynedd Council debate about proposed cuts to language teaching centres.
The centres teach Welsh intensively to children who come from outside the area so they can study through the medium of Welsh in local schools.
Mabli Siriol, Cymdeithas yr Iaith's education spokesperson, commented:
Language campaigners have welcomed news that the Government has dropped its plans for a Welsh Language Bill that they had warned would weaken language rights.
Osian Rhys, Chair of Welsh language campaign group Cymdeithas yr Iaith commented: